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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 5280 Mast Section


Kenyon Spars 5280 Cruising Mast Section
Measurements (outside): 8.00" x 5.20" (203mm x 132mm)
Wall Thickness: .188"
Weight/ft.: 5.20 lbs.
Moments of inertia: Ixx = 31.70", Iyy = 15.10"
Circumference without Track: 21 7/8"
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)
Sail slides: none (w/ K-73572 flat-back insert)
Standard lengths: 44', 48', 55'6"
Kenyon 5280 Mast Section
Common Mast usage: Alejuela 38; Cabo Rico 38*; Cal 35*; Contessa 35; Endeavour 35*, 37; Ericson 38, 380*; Hans Christian 33; Hanse 33; Horizon 39K Main; Hunter 36*, 37**, 54*; Islander 36*; Lancer 37, Corinthian 41; Lord Nelson 35; Morgan 36 OI; Orion 35; Roberts 38; Seidelman 37; US-35;

Kenyon 5280 Cruising Mast Section

5280 Mast Section - Clear Anodized: K-X5280CA-___:
5280 Mast Section - Raw: K-X5280R-___:
Kenyon 5280 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.
 


5280 Standard Mast Hardware
Listed below are parts specific to the Kenyon 5280 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 5280 Mast Components not listed here please contact us with details.

Mastheads:
Kenyon mast sections for larger boats normally use welded-in mastheads for maximum strength and durability with minimum weight. A variety of masthead configurations are available with a new spar or a replacement tube. Listed below are the standard weld-in mastheads for the Kenyon 5280 Cruising Mast Section, and parts for them. Fractional and tapered masts always use welded-in mastheads for maximum strength with minimum weight. Custom mastheads are available as well, please inquire.
 
Heavy Duty Masthead Ass'y for Masthead Rig: K-40530:
Weld-in aluminum Masthead Assembly for untapered 5280 mast section incorporates (4) 3 3/4" dia. aluminum sheaves, K-10556, for internal or external wire or rope halyards. Includes 1/2" pins for attachment of slotted SS toggles for headstay and backstay (order separately), and 3/8" pins for triatic stay and topping lift attachment. Masthead features 2 extended Spinnaker Cranes, pre-drilled for attachment of Spinnaker Halyard Bail K-11302 (order separately).

 

Heavy Duty Masthead Ass'y for Masthead Rig: K-40530-1:
As K-40530 (above), but with only (1) Spinnaker Crane for reduced weight and windage.

 

Masthead Toggle w/ 1/2" Pin: K-10469:
Slotted SS Toggle Assembly for K-40530 Masthead includes 1/2" lower pin, and is designed to sit on 1/2" upper pin. Toggle measures 1 1/2" wide x 2 1/2" between pin centers, and will accommodate eyes up to 5/8" thick.

 

K-10469

Masthead Toggle w/ 5/8" Pin: K-10469-1:
Slotted SS Toggle Assembly for K-40530 Masthead includes 5/8" lower pin, and is designed to sit on 1/2" upper pin. Toggle measures 1 1/2" wide x 2 1/2" between pin centers, and will accommodate eyes up to 5/8" thick.

 

 

 

3 3/4" OD Aluminum Sheave: K-10556:
Lightweight cast anodized aluminum sheave with integral bronze bushing is 3 3/4" OD x 3/4" wide x 1/2" ID. With wire/rope V-groove for up to 5/8" line and 1/4" wire, unit features recessed walls to minimize weight. As used in a variety of Mastheads.

 

K-10556
 

 

Masthead Spinnaker Bail: K-11302:
Heavy 3/8" SS bail is welded to a flat plate which bolts to the top of the masthead with (4) 5/16" x 3/4" screws and locknuts. Plate measures 2 1/4" long x 2 5/8" wide. Screw hole spacing (to centers) is 13/16" fore and aft x 1 1/8" wide. Bail is angled downward and projects 1 3/4" forward of plate. Mounting requires drilling (4) 5/16" holes. Designed for use with K-40530 Masthead Assembly on Kenyon 5280 mast. Attaches with (4) 5/16" x 3/4" screws and locknuts. *

 

Trisect Masthead Assembly for 5280 Tapered Mast: K-11515:
Trisect Triple channel Masthead Assembly is welded in 5280 Tapered mast section and incorporates (2) 3 1/2" and (2) 3" dia. aluminum sheaves, for internal wire or rope halyards. Dedicated main and jib halyards are on centerline, with 2 wing halyards offset P and S. Strong, low-windage design features lightening holes for additional weight savings. Includes 5/8" pins for attachment of Backstay and for Headstay Toggle and 3/8" topping lift pin. Top plate is 10 5/8" long, and Backstay Crane extends 5 1/2" beyond the aft face of the mast. Masthead is designed to be welded into the mast Section and is unfinished. Wing halyard Sheaves are K-198-14AB8 (3 1/2" OD), Main and Jib halyard Sheaves are K-11520 (3" OD). As used on Ericson 38, Hunter 54* and others.  Tto5 1/2"

 

 

 

Masthead Chafe Cage for 5280 Trisect Head: K-11477:
Stainless Steel welded assembly encloses centerline halyard and protects wing halyards from the headstay attachment point. Attaches with (4) #10 screws.

 

 

 

Masthead Sheave Pin: 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 Pin: 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 Pin: 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
 

 

Masthead Sheave Pin: K-11129-4:
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 4 1/2" long (P208-145).

 

K-11129-4

Staysail Attachments:
The Kenyon 5280 mast section is used with a variety of attachments for Staysail Stays, Baby Stays, Pole lifts, etc. For additional Items, See Forestay / Staysail Tangs.
Staysail / Inner Forestay Attachment for 1/2" Pin: K-19060-8-5280:
Staysail / Inner Forestay Attachment for 5/8" Pin: K-19060-10-5280:
SS Staysail/Forestay Tang has 1/2" or 5/8" Pin hole for Forestay attachment and 3/8" x 3/4" slot for halyard block shackle. Heavy 1/4" nose is welded to plate formed to fit 5280 Mast Section. Base is 4 1/2" high x approximately 3 1/4" wide and attaches to mast with (8) 1/4" fasteners. For 5280 and similar sections.

 

Welded Forestay/Staysail Stay & Halyard Block Tang for 1/2" Pin: K-11505:
Welded Forestay/Staysail Stay & Halyard Block Tang for 5/8" Pin: K-11505-1:
Heavy aluminum Forestay/Staysail Stay & Halyard Block Tang for weld-on applications. Double-nosed Tang has 1/2" or 5/8" hole for Forestay Toggle above a 1/2" x 7/8" slot for attachment of a halyard block shackle. Contoured Tang is 9" long x 1/2" thick, and projects (maximum) 2 7/8" forward of mast. Designed for welding to mast surface, Tang is cut from 6061-T6 aluminum plate with mill finish. BF-536  

 

 


Spreaders:
The Kenyon 5280 mast section is normally used with Kenyon SP-4 airfoil spreaders, which measure 3 3/4" (fore and aft) x 1 5/16" (vertically). 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-4 Spreader Bracket Ass'y - 0 degree aft, Port: K-10398-P:
SP-4 Spreader Bracket Ass'y - 0 degree aft, Starboard: K-10398-S:

SS welded Spreader Bracket Assembly for 5280 mast section. Formed plate has welded stud to fit Kenyon SP-4 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 in-line spreaders.

 

 
5280 Weld-on Spreader Bracket Ass'y for SP-4: K-11478K:
Aluminum weld-on Spreader Bracket Assembly for 5280 mast section. Set of 2 aluminum plates is contoured to fit curvature of Kenyon 5280 Mast Section, and designed to be welded to Port or Starboard side. Normally plates are welded at a 5-7 degree angle up, with 1/2" between them to accommodate spreaders with an inboard end of 3/8" thick plate. Upper bracket plate (without holes) is drilled after welding, using Lower plate (with holes) as a drill guide, assuring accurate alignment regardless of angle. Lower plate has (2) 3/8" holes on 3 1/2" centers for use with standard SP-4 Spreader Inboard End, K-11480-4. Contoured plates are (maximum) 5 1/2" wide x 2 1/4" deep x 5/16" thick. Plates have mill finish for ease of welding, and are notched on the mast centerline for ease of placement. One (1) set is required for each side of mast.

 

K-11478K

 

 


Winch Pad for 5280: K-10647:
Black Urethane Winch Pad is 4 13/16" dia., and molded to fit on centerline of 5280 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-10647

Forward Offset Winch Pad for 5280: K-11101:
Black Urethane Winch Pad is 4 13/16" dia., and molded to fit 2" forward of centerline of 5280 section. Used primarily for staysail and spinnaker halyard winches. 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.

 

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 / Vang Bracket w/ Bail: K-10396:
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 5280 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. Can also be used as Vang Bracket with addition of appropriate Vang Toggle, below.

 

K-10396

Gooseneck Clevis Pin - 3/8": K-CP6-76:
Vertical Clevis Pin for use with K-10396 Gooseneck/Vang Bracket. 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-10396 gooseneck bracket, 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" dia. x 1" long. Used in 1 1/2" Toggle/Tack/Reef Hook Assembly K-10345.

 

Vang Toggle: K-10963:
Used with the K-10396 Gooseneck Bracket, 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-10396 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-90230:
Formed base plate has welded vertical triangle (non-pivoting) with 3/4" diameter hole for attachment of vang tackle block. Attaches to 5280 mast with (8) 1/4" fasteners.

 

K-90230

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.  

 


Mast Boot for 5280 Standard Deck Collar: K-11260B:
White PVC Mast Boot helps prevent leakage at the deck. Slid over mast prior to stepping, it is then secured with a hose clamp around the mast and one on K-11260-1 Deck Collar, below. One piece molded construction for optimum fit. Boot is 2 1/2" high x 9 3/4" long x 7" wide. P25987

 

5280 Mast Boot Clamp: MBC 16-26:
All Stainless Steel Clamp for use with any Mast Boot on Kenyon 5280 Mast. 12

 

5280 Deck Collar Boot Clamp: MBC 21-31:
All Stainless Steel Clamp for use with Mast Boots on most Kenyon 5280 Deck Collars. 15

 

 
5280 Deck Collar Boot Clamp - Special Hunter 37: MBC 28-38:
All Stainless Steel Clamp for use with Mast Boot on Special Hunter 37 Deck Collar for Kenyon 5280 Mast Section. 18

 

V
Mast Boot for 5280 Low-Profile Deck Collar: K-10926BLP:
White PVC Mast Boot helps prevent leakage at the deck. Slid over mast prior to stepping, it is then secured with a hose clamp around the mast and one on K-10926 Low-Profile deck collar ring, below. One piece molded construction for optimum fit. Boot is 3 1/4" high x 11 1/4" long x 8 1/2" wide. 50

 

5280 Mast Boot - Special for Hunter 37: K-5280B-H37:
White PVC Mast Boot helps prevent leakage at the deck. Slid over mast prior to stepping, it is then secured with only a hose clamp around the mast. One piece molded construction for optimum fit. For use with Special Hunter 37 Deck Collar, Boot is 4" high x 14" long x 11 1/2" wide. As used on Hunter 37.

 

5280 Deck Collar, Standard: K-11260-1:
Standard 5280 Deck Collar, for keel stepped masts, fastens to deck with (8) 5/16" bolts or screws. Base size (max.) is 12 5/8" x 9 7/8" x 1" high, with 1/4" thick flanges. Cast in 356 Aluminum with clear anodized finish. For use with standard Kenyon mast wedge K-77509.

 

Mast Wedge for 5280 Deck Collar: K-77509-24:
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 5280 Deck Collars.

 

K-77509

Low-Profile Deck Collar Ass'y for 5280: K-10946:
Low-profile 5280 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. Base size is 11 1/8" x 8 3/8" x 3/4" high. Deck Collar Rings and Mast Support Tabs are cast in 356 Aluminum with black epoxy finish. Kit includes (2) K-10926 Low-profile 5280 Deck Collar Rings, (2) K-10931 Mast Support Tabs, (1) 3/8" x 7" bolt with locknut, and the K-77509-24 rubber Mast Wedge. Original Assemblies used the K-10768 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-10946

 

 

Mast Boot for 5280 Low-Profile Deck Collar: K-10926BLP:
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 K-10926 Low-Profile deck collar ring and one around the mast. One piece molded construction for optimum fit. 50 D

 

Low-Profile Deck Collar Ring only for 5280: K-10926:
Low-profile 5280 Deck Collar Ring fastens to deck with (8) 5/16" bolts or screws. Base size is 11 1/8" x 8 3/8" x 3/4" high. Cast in 356 Aluminum with black epoxy finish.

 

Urethane Mast Collar for 5280 Low-Profile Deck Collar: K-10768:
Black Urethane Mast Collar with flange for 5280 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 5280 Deck Collar Assembly K-10946. This item is no longer available, having been replaced by the K-77509-24 Rubber Mast Wedge, shown above. **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

5280 Mast Boot Clamp: MBC 16-26:
All Stainless Steel Clamp for use with any Mast Boot on Kenyon 5280 Mast. 12

 

 

5280 Deck Collar Boot Clamp - Special Long: MBC 28-38:
All Stainless Steel Clamp for use with Mast Boot on Low-Profile Deck Collar Ring for Kenyon 5280 Mast Section. 18

 

 


Electrical Access Plate: RR-72-99:
This 4 1/2" x 2" SS plate 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. Attaches with (4) 1/4" RH screws and saves much in frustration and money by allowing you access to the electrical plugs above the mast step without having to unstep the mast.

 

RR-72-99


5280 Mast Step: K-10438:
Mast Step for Kenyon 5280 fastens to deck or keelson with (4) 3/8" bolts in internal adjustment slots to allow for precise positioning. Unit is (maximum) 8 1/8" long x 5 1/4" 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-10438 Mast Step, above. Fastens to deck or keelson with (4) 1/4" FH screws in slots to allow 1" adjustment. Allows the K-10438 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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