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Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
Phone: (001) 401-739-1140 -- FAX: (001) 401-739-1149
www.RigRite.com          Ordering/Questions

Kenyon Spars 4365 Mast Section


Kenyon Spars 4365 Cruising Mast Section
Measurements (outside): 6.50" x 4.30" (165mm x 109mm)
Wall Thickness: .156"
Weight/ft.: 3.70 lbs.
Moments of inertia: Ixx = 14.60", Iyy = 7.08"
Circumference without Track: 17 15/16"
Alloy: 6061-T6
Sail slides: 15/16" flat slides (A008M w/ K-73540 track)
Sail slides: 1/2" round slugs (A018, A118) or 1/2" boltrope (w/ K-73586 track)
Sail slides: none (w/ K-73572 flat-back insert)
Standard lengths: 41'6", 53'7"
Kenyon 4365 Mast Section
Common Mast usage: Cal 2-27; Celestial 46K Mizzen, 48K* Mizzen; Cheoy Lee 48K Mizzen; Ericson 28+*, 30, 30+*, 32*; Hans Christian 43K Mizzen; Horizon 39K Mizzen; Lazy Jack 32 (M & FM); Mainship 40 Trawler; NA Spirit 28; Nautical 60K (mizzen); O'Day 28*; Pearson 30*, 32*, 530K Mizzen; Pointin 29 CatRig, 36; S2 9.2;  Roberts 29, 30, 43K Mizzen; Rodgers 33; S2 9.2AC; San Juan 28; Seidelman 299, 30T; Silverton 40; Stamas 44K Mizzen; Tartan 30*, 3000CR; Texas T-30;

Kenyon 4365 Cruising Mast Section

4365 Mast Section - Clear Anodized: K-X4365CA-___:
4365 Mast Section - Raw: K-X4365R-___:
Kenyon 4365 Section Mast Tube is stocked in a variety of lengths (listed above) fully anodized or raw (mill finish), it can also be cut to shorter lengths. To order, specify length.
Sections can also be milled for the sailgate or other components, painted finishes and other lengths are available on special order, Please specify. If you require a complete Mast Assembly, you can select from components below and contact us with specifications.
Kenyon Cruising Sections feature an interchangeable Luff Track system, which covers a channel designed to secure any electrical wiring. Select from a variety of Cruising Section Luff Tracks. This system provides easy access to all electrical wires, keeping them from banging around and isolating them from any internal halyard damage, as well as allowing easy conversion of existing masts to different mainsail slide systems.
 


4365 Standard Mast Hardware
Listed below are parts specific to the Kenyon 4365 Mast Section. For more generic parts, see Kenyon Exit Blocks, Kenyon Exit Plates, Kenyon Shroud Tangs, and other categories listed under Kenyon Spar Parts. There are many parts for specific configurations that are not listed here. If you require 4365 Mast Components not listed here please contact us with details.

Mastheads
Listed below are the standard mastheads for the Kenyon 4365 Mast Section. Fractional and tapered masts normally use welded-in mastheads for maximum strength with minimum weight. A variety of Custom Mastheads are available as well, please inquire.
Masthead Assembly for Masthead Rig: K-11347-1:
Double channel extruded aluminum Masthead Assembly for 4365 mast section incorporates (4) 2 1/2" diameter aluminum sheaves, K-198-10A, for internal or external wire or rope halyards. Includes 3/8" pins for attachment of slotted SS Toggles for headstay and backstay (order separately), and 1/4" topping lift pin. Masthead fits in 3" x 1 5/8" wide slot cut into fore and aft sides of the mast tube. Pre-drilled for attachment of Spinnaker Halyard Bail K-10454 (order separately). Masthead is 12 1/4" long x (maximum) 4 1/2" wide, and attaches to the mast with (2) 3/8" bolts. -2w/sh f

 

Masthead Toggle w/ 3/8" Pin: K-10511:
Slotted SS Toggle Assembly for K-11347 Masthead includes 3/8" lower pin, and is designed to sit on 3/8" upper pin. Toggle measures 1 1/8" wide x 2" between pin centers, and will accommodate eyes up to 7/16" thick.

 

K-10511

Masthead Toggle w/ 7/16" Pin: K-10511-1:
Slotted SS Toggle Assembly for K-11347 Masthead includes 7/16" lower pin, and is designed to sit on 3/8" upper pin. Toggle measures 1 1/8" wide x 2" between pin centers, and will accommodate eyes up to 7/16" thick.

 

Masthead Toggle w/ 1/2" Pin: K-10511-2:
Slotted SS Toggle Assembly for K-11347 Masthead includes 1/2" lower pin, and is designed to sit on 3/8" upper pin. Toggle measures 1 1/8" wide x 2" between pin centers, and will accommodate eyes up to 7/16" thick.

 

 

 

Masthead Spinnaker Bail: K-10454:
SS 5/16" bail is welded to a Trapezoidal SS plate which bolts to the top of the masthead with (3) 1/4" x 3/4" screws and locknuts. Trapezoidal plate measures 2" long x 2 7/8" (maximum) wide. Aft screw holes are on 2" centers, Bail is angled downward and projects 1 3/4" forward of plate. Mounting requires drilling (3) 1/4" holes. As used on K-11347 Masthead Assembly for Kenyon 4365 and other Mast Sections.

K-10454

 

 

 

Port Offset - Masthead Spinnaker Bail: K-10454P:
As K-10454 (above), but with bail offset to Port side to reduce interference of Spinnaker halyard block with Headstay.
K-10454P
 

 

Starboard Offset - Masthead Spinnaker Bail: K-10454S:
As K-10454 (above), but with bail offset to Starboard side to reduce interference of Spinnaker halyard block with Headstay.
K-10454S
Trisect Masthead Assembly for 4365 Tapered Mast: K-11511-Q:
Uses (4) K-198-10A Sheaves, 1/2" pins, 1/4" Topping lift pin.

 

 

 

Masthead Chafe Cage for 4365 Trisect Head: K-11320:
Stainless Steel welded assembly encloses centerline halyard and protects wing halyards from the headstay attachment point. Attaches with (3) #10 screws. As used on Ericson 32.
K-11320
 

 

Masthead Toggle for Trisect Head w/ 1/2" Pin: K-11537:
Heavy SS Eye/Jaw Toggle Assembly for Trisect Masthead includes 1/2" lower pin, and is designed to sit on 1/2" upper pin. Toggle is formed from 3/16" stock, and measures 1/2" wide (at top) x 1 1/4" wide (at bottom) x 2 3/4" between pin centers. Will accommodate eyes up to 1/2" thick.
K-11537
Fractional Masthead Assembly for 4365 Tapered Mast: K-11522A:
Weld-in Fractional Masthead Assembly for tapered 4365 mast section incorporates (1) 2" diameter aluminum sheave, K-198-8A, for internal Main halyard. Masthead features extended Backstay Crane angled up at 10 degrees with lightening holes, a 1/2" pin for attachment of Backstay, and a 1/4" pin for attachment of topping lift. Heavy welded aluminum Masthead is (maximum) 11 5/8" long x 2 11/16" high x 4 5/8" wide. Assembly includes 3/8" Axle/Sheave Pin (K-10680), Sheave (K-198-8A), 1/2" backstay pin, and 1/4" topping lift pin. As used on Ericson 30+.

 

Masthead Sheave Axle w/ Tab - 3/8": K-10680:
SS Masthead Axle/Sheave Pin has thin stem welded to tab which attaches to mast with (1) #10 screw. Pin measures 3/8" x 3" long, for wing halyard sheaves in 4365 Fractional Masthead Assembly, K-11511-Q.

 

K-10680

Masthead Sheave Axle w/ Tab - 3/8": K-10680-1:
SS Masthead Axle/Sheave Pin has thin stem welded to tab which attaches to mast with (1) #10 screw. Pin measures 3/8" x 2 1/2" long, for centerline sheaves in 4365 Fractional Masthead Assembly, K-11511-Q.

 

K-10680-1

Masthead Sheave Axle w/ Tab - 1/2": K-11129-1:
SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 3" long. P208-97

 

K-11129-1

Masthead Sheave Axle w/ Tab - 1/2": K-11129-2:
SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 3 1/2" long. P208-113

 

K-11129-2

Masthead Sheave Axle w/ Tab - 1/2": K-11129-3:
SS Masthead Axle/Sheave Pin has thin stem welded to teardrop tab which attaches to mast with (1) #10 screw. Pin measures 1/2" x 3 3/4" long. P208-121

 

K-11129-3


Aluminum Jib Box Assembly w/ 3/8" Pin: K-11597-1:
Cast aluminum four (4) halyard internal Jib Box Assembly with 3/8" pin and 3/8" Forestay Toggle. Accommodates two spinnaker halyards over two jib halyards, in a trim, narrow and lightweight unit. Features heavy-duty Nylatron Sheaves: (2) 2" Sheaves for Spinnaker Halyards, K-11594; (1) 2" Sheave for Upper Jib Halyard, K-11640; (1) 1 3/4" Sheave for Lower Jib Halyard, K-11639; and (2) 5/8" secondary Sheaves (forward) for the 2 Upper Halyards, K-11585. Jib Halyard Sheaves are suitable for use with wire or rope halyards. All Sheaves are 1/2" wide for snag free handling of halyards up to 3/8" diameter. Assembly fits in mast cutout 9 3/4" high x 1" wide, and fastens with (4) 1/4"-20 machine screws (included). Internal mounting flange is slightly curved to fit a variety of masts. Assembly is designed to fit through the mounting slot and is then fastened from the outside. Forged Chrome Bronze Toggle, MER 5770-412, is included. Unit measures 12 7/8" long x 1" wide and projects 2" (maximum) inside of mast. Suitable for use with a variety of mast sections on boats with forestays up to 1/4" diameter. As used on Ericson 30+, and others. A2-4, 4-5

 

K-11597-1

 

 

Aluminum Jib Box Assembly w/ 1/2" Pin: K-11597-2:
Cast aluminum four halyard internal Jib Box Assembly with 1/2" pin and 1/2" Forestay Toggle, MER 5770-416. As K-11597-1, above, but with 1/2" Pin. DC

 

SS Jib Box Assembly w/ 3/8" or 1/2" Pin: K-10658X:
Welded SS four (4) halyard internal Jib Box Assembly with 3/8", or 1/2" pin for Forestay Toggle. Accommodates two spinnaker halyards over two jib halyards. This heavy Jib Box was used on a variety of MORC boats including many of the J/30’s and J/29F’s. Assembly fits in mast cutout 9 3/8" high x 13/16" wide, and projects 2" inside of mast. Mounting flange is fastened to the Mast with (12) 1/4" fasteners. This part is discontinued, having been replaced by the much lighter K-11597-1, above. A sheave and bushing replacement kit, K-10658SK, is available, see below. Please note: When replacing this item with the new K-11597-1 (the mast cutout needs to be widened and extended downward), the Forestay pin will be 1" higher on the mast; the forestay length will change accordingly. A7-4

 

 

 

SS Jib Box - Sheave Replacement Kit: K-10658SK:
Sheave Replacement package for K-10658 Welded SS Jib Box Assembly includes all (7) Aluminum sheaves and (4) Bronze bushings. Includes (1) 2" Sheave for Upper Spinnaker Halyard, K-198-8A; (3) 1 3/4" Sheaves for Lower Spinnaker Halyard and both Jib Halyards, K-198-7A; (3) 1" secondary Sheaves for the 3 Upper Halyards, K-198-4A; (4) 3/8" OD x 1/4" ID bushings, K-9523, for the 4 Primary Sheaves; and (6) Sheave Axle rivets.

 


Spreaders
The Kenyon 4365 mast section is normally used with Kenyon SP-3, airfoil spreaders. A variety of Spreader Brackets, welded Spreader Bases, and Spreader Bars are available. For Spreader details, or to order replacement Spreaders, see Kenyon Spreader Sections.

 

SP-3 Spreader Bracket Ass'y - 0 degree aft, Port: K-2299-2P:
SP-3 Spreader Bracket Ass'y - 0 degree aft, Starboard: K-2299-2S:
SS welded Spreader Bracket Assembly for 4365 mast section. Formed plate has welded stud to fit Kenyon SP3 Spreader. This strong fitting reduces windage to a minimum. Plate is 1/8" thick and measures 3" high x 4 1/4" long to spread loading over a larger area. Attaches to the mast with (8) 1/4" fasteners. For in-line spreaders.

 

K-2299P

 

SP-3 Spreader Bracket Ass'y - 8° aft, Port: K-2299-5P:
SP-3 Spreader Bracket Ass'y - 8° aft, Starboard: K-2299-5S:
SS welded Spreader Bracket Assembly for 4365 mast section. Formed plate has welded stud to fit Kenyon SP3 Spreader. This strong fitting reduces windage to a minimum. Plate is 1/8" thick and measures 3" high x 4 1/4" long to spread loading over a larger area. Attaches to the mast with (8) 1/4" fasteners. For spreaders swept 8 degrees aft.

 

SP-4 Spreader Bracket Ass'y - 16.5° aft, Port: K-11037-P:
SP-4 Spreader Bracket Ass'y - 16.5° aft, Starboard: K-11037-S:

SS welded Spreader Bracket Assembly for 4365 mast section. Formed plate has welded stud to fit Kenyon SP4 Spreader. This strong fitting reduces windage to a minimum. Plate is 1/8" thick and measures 4" high x 5 3/4" long to spread loading over a larger area. Attaches to the mast with (10) 1/4" fasteners. For spreaders swept 16.5 degrees aft.

 

SP-4 Spreader Bracket Ass'y - 21° aft, Port: K-11022-P:
SP-4 Spreader Bracket Ass'y - 21° aft, Starboard: K-11022-S:

SS welded Spreader Bracket Assembly for 4365 mast section. Formed plate has welded stud to fit Kenyon SP4 Spreader. This strong fitting reduces windage to a minimum. Plate is 1/8" thick and measures 4" high x 5 3/4" long to spread loading over a larger area. Attaches to the mast with (10) 1/4" fasteners. For spreaders swept 21 degrees aft. * CFM630

 

Spreader Bars:
For High Performance applications designers frequently specify Kenyon thru-bar spreader systems. These systems have been proven through many years of top-level racing, and are now the norm on most racing yachts. Standard spreader bars for the 4365 section are listed below. Other angles are available on a special order basis.

 

Spreader Bar for SP-3 Spreader - 0 degree aft: K-11295:
This Stainless Steel Bar assembly is used with Kenyon SP3 Spreaders for rigs with in-line spreaders. Installed through a slot in the mast, the bar is held in place with roll pins (included) on each side. Holes for spreader attachment and roll pins. Has 5-degree vertical angle.

 

K-11295

 

Spreader Bar for SP-4 Spreader - 0 degree aft: K-11521:
This Stainless Steel Bar assembly is used with Kenyon SP4 Spreaders for rigs with in-line spreaders. Installed through a slot in the mast, the bar is held in place with roll pins (included) on each side. Holes for spreader attachment and roll pins. Has 5-degree vertical angle.

 

K-11521

 


Winch Pad for 4365: K-10644:
Black Urethane Winch Pad is 4 1/8" diameter, and molded to fit on centerline of 4365 section. Pad insulates winch from mast wall and properly seats it for mounting. Pad is attached to mast with 1 screw, holes for screws to mount winch are then drilled through pad and tapped in mast wall.

 

K-10644

Spar Cleat - 5" long: Ken D-10325:
Cast Aluminum Spar Cleat is a low-profile design with a narrow base suitable for use with line up to 1/2" diameter. Black Epoxy coated Cleat is 5" long, and fastens to spar with (2) 7/32" (#12) FH screws on 1 1/2" centers. See also, other Kenyon Spar Cleats.

 

7/8" Sail Slide Stop: K-10424L:
SS Spring Pin Sail Slide Stop fits all mast sections with track for 7/8" or 15/16" internal flat slides. Superior design allows Slide Stop to remain captive in mast track. Gate cutout (1 3/4" high) is made just 1" above SS Gooseneck bracket. Spring pin fits in 1/4" hole drilled at top of cutout, and slides down into recess beneath Gooseneck Bracket when Spring pin is pulled. This design allows sail slides to come as close as possible to the gooseneck while remaining in track, and eliminates problems associated with slides snagging while going past a normal sail gate. Plate is 2 1/2" long with a 1/4" spring pin. For use with K-73540 flat internal luff track.

 

K-10424L

 

 

 


Gooseneck Bracket: K-43015:
Designed for use with the K-10345 Gooseneck Toggle/Tack Assembly for E-Section and larger Booms, this SS welded Bracket takes a 3/8" Vertical pin, K-CP6-76, and has clearance for a 1 1/2" Toggle. Fastens to 4365 Mast Section with (8) 1/4" (6mm) fasteners. Base is 5" vertical x approximately 3 3/4" wide. Also used as a Vang Bracket with addition of appropriate Vang Toggle, below.

 

 
Gooseneck Bracket w/ Bail: K-43015B:
Designed for use with the K-10345 Gooseneck Toggle/Tack Assembly for E-Section and larger Booms, this SS welded Bracket takes a 3/8" Vertical pin, K-CP6-76, and has clearance for a 1 1/2" Toggle. Fastens to 4365 Mast Section with (8) 1/4" (6mm) fasteners and includes welded 5/16" bail for mainsheet turning block. Base is 5" vertical x approximately 3 3/4" wide. Also used as a Vang Bracket with addition of appropriate Vang Toggle, below.

 

K-43015B
Gooseneck Clevis Pin - 3/8": K-CP6-76:
Vertical Clevis Pin for use with K-43015 Gooseneck/Vang Brackets. SS pin is 3/8" diameter with 2 3/8" grip length.

 

Gooseneck Toggle/Tack Ass'y w/ Reef Hooks: K-10345A:
Used with K-43015 Gooseneck Brackets, this combination Toggle/Tack/Reef Hook Assembly features 3 tack positions and includes 3/8" tack fastpin, K-10557. Takes 3/8" vertical and horizontal pins. Two reef hooks allow for ease of reefing from either side of the boom. Toggle portion is 1 1/2" high x 7/8" wide with 1" between pin centers. Unit (excluding Reef Hooks) is 4" high x 7/8" wide x 2 1/4" long. Attaches directly to any of the Kenyon SS Gooseneck Brackets designed for a 1 1/2" Toggle with 3/8" vertical pin. Fits E section, 3550, and 3756 standard boom goosenecks.

 

K-10345A

 

Tack Fastpin for 1 1/2" Toggle: K-10557 (FP-6-32):
SS Fastpin is 3/8" diameter x 1" long. Used in 1 1/2" Toggle/Tack/Reef Hook Assembly K-10345.

 

Gooseneck Slide & Toggle/Tack/Reef Hook Ass'y for 15/16" Internal Flat Track: K-GSI-15AD:
Aluminum Gooseneck Slide with Toggle/Tack/Reef Hook Assembly fits Boom Goosenecks that take a 1" wide Toggle with a 1/2" horizontal Pin. Slide fits integral Track in Kenyon and most other Mast Sections with a 15/16" or 7/8" Internal Flat Track. Gooseneck Slide is 5 7/8" high x 7/8" (.865") wide, uses a 1/2" vertical pin and features 1/2" hole for downhaul line or shackle. Toggle is 15/16" wide @ 1/2" Horizontal pin hole. MU

 


Gooseneck Toggle/Tack Ass'y w/ Reef Hooks - 2 5/16" High: RR-Sch 45-148MA:
Combination Toggle/Tack/Reef Hook Assembly features SS Tack/Reef Hook assembly bolted to cast Aluminum Toggle (RR-Sch 45-148M) and includes 1/2" Tack fastpin, K-10718. Toggle takes 1/2" vertical and horizontal pins. Black epoxy coated Toggle is 2 5/16" high x 1 3/8" wide (15/16" wide @ Horizontal pin hole) x 3 7/8" (maximum) long, pin holes are on 2 1/2" centers. Toggle fits a variety of Mast Brackets designed for a 2 5/16" Toggle with a 1/2" vertical pin.

 


Long Aluminum Gooseneck Toggle - 2 5/16" High: RR-Sch 45-148:
Cast Aluminum Gooseneck Toggle is 2 5/16" high and accommodates 1/2" vertical and horizontal pins. Black epoxy coated Toggle is 2 5/16" high x 1 3/8" wide (15/16" wide @ Horizontal pin hole) x 3 7/8" (maximum) long, pin holes are on 2 1/2" centers. Toggle features 2nd 1/2" vertical hole (1 1/4" aft) for attachment of Tack/Reef Hook assembly. Toggle fits a variety of Mast Brackets and Gooseneck Slides designed for a 2 5/16" Toggle with a 1/2" vertical pin.

 


Gooseneck Bracket/ Vang: K-43015:
Designed for use with the K-10345 Gooseneck Toggle/Tack Assembly for E-Section and larger Booms, this SS welded Bracket takes a 3/8" Vertical pin, K-CP6-76, and has clearance for a 1 1/2" Toggle. Fastens to 4365 Mast Section with (8) 1/4" (6mm) fasteners. Base is 5" vertical x approximately 3 3/4" wide.

 

 
Gooseneck Clevis Pin - 3/8": K-CP6-76:
Vertical Clevis Pin for use with K-43015 Gooseneck/Vang Brackets. SS pin is 3/8" diameter with 2 3/8" grip length.

 

Vang Toggle: K-10963:
Used with the K-43015 Gooseneck Brackets, above, this SS toggle results in a fully pivoting vang bracket to minimize working stresses. Large 3/4" horizontal hole allows for attachment of any shackle or block.

 

K-10963

 

Vang Toggle w/ 14mm Pin hole: K-10963-2:
Welded SS Vang Toggle for use with any Kenyon Gooseneck Bracket with a 3/8" Pin. SS tube is 1 1/2" long with Bronze bushed hole for 3/8" Vertical Pin. Welded SS Tab is 5mm (3/16") thick and projects 2 3/8" (60mm) out from tube. Tab has 14mm (9/16") hole for attachment of Vang and 8mm (5/16") hole for attachment of Vang Tackle. As used with Sparcraft Pneuvang and others.

 

 

Vang Toggle for Hard Vang: K-11788:
Used with the K-43015 and other Kenyon Gooseneck Brackets with a 3/8" Pin, this SS toggle has (1) 9/16" (14mm) hole for Vang attachment and (3) 5/16" (8mm) holes for blocks. As used with Sparcraft Pneuvang and others.

 

Vang Bracket, non-pivoting: K-90210:
Formed base plate has welded vertical triangle (non-pivoting) with 3/4" diameter hole for attachment of vang tackle block. Attaches to 4365 mast with (8) 1/4" fasteners.*

 

Vang Toggle for Rigid Vang – Special:
A variety of semi-custom Toggles, or Bracket/Toggle combinations are available to fit rigid (or solid) vangs produced by a number of manufacturers. Please specify manufacturer, model and Pin size.  

 


Halyard Turning Block Assembly: K-10865:
Mast mounted Halyard Turning Block is attached to Mast at Deck level to allow halyards to be led aft. Swiveling Halyard Turning Block adjusts to any angle and features 2" Aluminum V-groove Sheave, K-10861-B5, for use with wire or rope Halyards up to 7/16" diameter. Investment Cast Almag Block attaches to mast with (4) 1/4" FH screws or rivets. Base is 4 1/16" high x 1 7/8" wide.

 

K-10865
Electrical Access Plate: RR-72-99:
Electrical Access Plate is designed to allow access to internal electrical plugs above the mast step, without having to unstep the mast. Saves much in frustration and money by allowing you to check mast wiring connections with the mast up. SS Plate is 4 1/2" x 2" and is designed to cover a 3" x 1 1/4" vertical slot in the side of the mast, just above the top of the mast step. Plate is slightly curved to fit a variety of mast sections and attaches with (4) 1/4-20 RH machine screws (included).

 

RR-72-99

 


Mast Boot for 4365 Low-Profile Deck Collar: K-11264BLP:
White PVC Mast Boot helps prevent leakage at the deck. Slid over mast prior to stepping, it is then secured with a hose clamp on the deck collar and one around the mast. One piece molded construction for optimum fit. This item is no longer available, and is shown here for identification only.

 

 

 

4365 Mast Boot Clamp: MBC 12-22:
All Stainless Steel Clamp for use with any Mast Boot on Kenyon 4365 Mast. 10

 

4365 Deck Collar Boot Clamp: MBC 16-26:
All Stainless Steel Clamp for use with Mast Boots on all Kenyon 4365 Deck Collars. 12

 

V

Low-Profile Deck Collar Assembly for 4365 Mast: K-10944:
Low-profile 4365 Deck Collar Assembly, for keel stepped masts. Deck Collar Rings are bolted together (with Deck in between), using (8) 5/16" bolts and nuts. Mast Support Tabs bolt through Collar Rings, 3/8" bolt is later installed through Mast and Support Tabs preventing the deck from rising under rigging loads. Kit includes (2) K-10924 Low-profile 4365 Deck Collar Rings, (2) K-10931 Mast Support Tabs, (1) 3/8" x 6 1/2" bolt with locknut, and the K-77509-20 rubber Mast Wedge. Original Assemblies used the K-10766 Urethane Mast Collar (no longer available), as shown, which mounted between deck and upper Deck Collar Ring, requiring removal of Deck Collar Rings when unstepping the mast. *

 

K-10944

 

Low-Profile Deck Collar Ring only for 4365: K-10924:
Low-profile 4365 Deck Collar Ring fastens to deck with (8) 5/16" bolts or screws. Base is 3/4" high. Cast in 356 Aluminum with black epoxy finish.

 

Urethane Mast Collar for 4365 Low-Profile Deck Collar: K-10766:
Black Urethane Mast Collar with flange for 4365 Deck Collar Assembly. Unit mounts between deck and upper Deck Collar Ring. One piece molded construction requires that unit be slipped onto Mast (with Upper Deck Collar Ring) before stepping. Formerly supplied with Low-profile 4365 Deck Collar Assembly K-10944. This item is no longer available, having been replaced by the K-77509-20 Rubber Mast Wedge, pictured below. **When replacing this item with the K-77509 Rubber Mast Wedge, the Aluminum Deck Collar Rings are permanently bolted to the Deck (inside and out), and the Rubber Mast Wedge is installed after the Mast is stepped, greatly simplifying Mast stepping.

 

Mast Support Tab for Low-Profile Deck Collar: K-10931:
Support Tab fastens through deck collars with (2) 5/16" bolts, and through mast with 3/8" thru-bolt. Cast in 356 Aluminum with black epoxy finish.

 

K-10931

Mast Wedge for 4365 Deck Collar: K-77509-20:
Extruded rubber Mast Wedge with flange provides even loading all around the mast. One-piece construction is far superior to individual wedges, which cause point loading leading to deformation. Cut to length for use with all 4365 Deck Collars. MMM

 

 

K-77509

Electrical Access Plate: RR-72-99:
Electrical Access Plate is designed to allow access to internal electrical plugs above the mast step, without having to unstep the mast. Saves much in frustration and money by allowing you to check mast wiring connections with the mast up. SS Plate is 4 1/2" x 2" and is designed to cover a 3" x 1 1/4" vertical slot in the side of the mast, just above the top of the mast step. Plate is slightly curved to fit a variety of mast sections and attaches with (4) 1/4-20 RH machine screws (included).

 

RR-72-99

 


4365 Mast Step: K-10439:
Mast Step for Kenyon 4365 fastens to deck or keelson with (4) 1/4" bolts in internal adjustment slots to allow for precise positioning. Unit is (maximum) 6 5/8" long x 4 5/8" wide. Also features rectangular slot (2" x 1") for use with optional Base Plate with Tenon, K-10442, below. Cast in 356 Aluminum with black epoxy finish.

 

K-10438

Mast Step Base Plate w/ Tenon: K-10442:
Mast Step Base Plate has projecting Tenon designed to mate with K-10439 Mast Step, above. Fastens to deck or keelson with (4) 1/4" FH screws in slots to allow 1" adjustment. Allows the K-10439 Mast Step to be attached to the Mast, keeping the end closed. Unit is 8 3/8" long x 5 1/2" wide x 3/8" thick, Tenon is 2" long x 1" wide x 1" high. Cast in 356 Aluminum with black epoxy finish.

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