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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

Snap Shackle Pin Kits


Snap Shackle Replacement Pin Kits
Snap Shackle Pin Kits are designed to replace the Plunger (Pin) in Snap Shackles, commonly used on halyards and in Snatch Blocks. Replacing a lost plunger and spring saves not just the cost of a new shackle, but frequently saves the cost and hassle of replacing a halyard, or buying a new snatch block!
Snap Shackle Pin Kits consist of a Plunger (Pin), a Spring, and a cotter ring, shackle, or finger pull, depending on type. RIG-RITE stocks over 30 types of of Snap Shackle Pin Kits, covering virtually all produced in the U.S. including those by Merriman, Nicro-Fico, Schaefer and South Coast.
To find the appropriate Pin Kit, you will have to get some details about your Snap Shackle.
1. Determine the manufacturer of the shackle, most will have a name or logo cast into them. In some Snatch Blocks it will be the Block itself that is marked. See major brands, below, for details.
2. Measure the diameter of the Plunger Pin (largest diameter). If your Pin is missing, measure the hole that it goes in.
 
Replacement Snap Shackle Pin Kits for: Merriman - Stainless Steel & Bronze Snap Shackles
Nicro-Fico - Stainless Steel Snap Shackles
Schaefer Marine - Stainless Steel Snap Shackles 
South Coast - Bronze Snap Shackles

 


Merriman Snap Shackle Replacement Pin Kits
Merriman invented the Snap Shackle in 1912, and although materials have improved continuously, all modern Snap Shackles use the same basic design. Merriman Snap Shackles have been produced in a variety of attachment configurations and were also used on Merriman's line of Snatch Blocks.
If you have a Merriman Snap Shackle (on most units the Merriman Trident and size appear in relief in recessed circles) you will have to determine whether the Shackle is Bronze (possibly Chrome-plated), or Stainless Steel, and the Plunger (Pin) diameter. Then simply select your Pin Kit Part Number from the tables below.

 
For Merriman Bronze Snap Shackles (Includes chrome plated) Newer Merriman Bronze Snap Shackles comprise the majority of Bronze Snap Shackles in use today. Sizes 1-3 are Forged, other sizes are Cast. On most units the Merriman Trident and size appear in relief in recessed circles. If plunger diameter is different than shown, see Old-Style Merriman Bronze Snap Shackles, below. Used on Halyard shackles and on Snatch Blocks. Plungers are Stainless Steel.
Merriman Bronze Snap Shackles - Fig. 391 (Fixed Bail) and Fig. 392 (Swivel)
Shackle Size #0 #1 #2 #3 #4 #5
Plunger Diameter 7/32" 1/4" 5/16" 3/8" 9/16" 11/16"
Pin Kit Part # Mer 9130 Mer 9141 Mer 9152* Mer 9163 Mer 9174 Mer 9185
Price $ 32.00 $ 39.00 $ 49.00 $ 39.00 $ 59.00 $ 79.00

For Old-Style Merriman Bronze Snap Shackles (Includes chrome plated)
Old-Style Merriman Bronze Snap Shackles were all cast, and in most sizes had larger diameter plungers than the newer style listed above. Used on Halyard shackles and on Snatch Blocks. Original style plungers are machined Bronze with threaded ends (#5 is SS), and come with a lanyard nut or finger pull nut.
Merriman Old-Style Bronze Snap Shackles - Fig. 391 (Fixed Bail) and Fig. 392 (Swivel)
Shackle Size #0 #1 #2 #3 #4 #5
Plunger Diameter 1/4" 5/16" 3/8" 1/2" 9/16" 11/16"
Pin Kit Part # Mer 9030 Mer 9031 Mer 9032 Mer 9033 Mer 9034 Mer 9035
Price Call $ 29.00 $ 38.00 $ 45.00    


For Merriman Stainless Steel Snap Shackles
Merriman Stainless Steel Snap Shackles were produced in 5 different sizes. Cast or forged from 17-4PH Stainless, sizes 1-3 are Forged, other sizes are Cast. On most units the Merriman Trident and size appear in relief in recessed circles. Size 3 was also produced in a Trunion (side articulating) version used on Snatch Blocks. Size 4 was only produced in a Trunion (side articulating) version used on Snatch Blocks. Used on Halyard shackles and on 'Traditional' Snatch Blocks.
*Old-style #3 SS Shackles used the #2 (1/4") Plunger, Mer 9232. Check plunger diameter!
Merriman Stainless Steel Snap Shackles - Fig. 720 (Fixed Bail - Size #0 only) and Fig.721
Shackle Size #0 Fixed Bail #1 #2 #3* #4 TA
Plunger Diameter 3/16" 3/16" ^1ht 1/4" 5/16"* 3/8"
Pin Kit Part # Mer 9230 Mer 9231x Mer 9232 Mer 9233x Mer 9234
For Stainless Steel Snap Shackles
: Mer 9230:

: Mer 9231:

: Mer 9232:

: Mer 9233:

: Mer 9234:


For Merriman 'High-Tech' Snatch Blocks
The vast majority of Merriman Snatch Blocks used the standard Snap Shackles and Pins listed above. To get Replacement Pin Kits for them follow the directions for Stainless Steel or Bronze Snap Shackles, above. The exception is the Merriman 'High-Tech' Snatch Block, Fig. 3570. These Snatch Blocks were notable for their Aluminum Sheaves, flat sides and angular appearance, as well as the integral Trunion (side articulating) feature of their Snap Shackle. Special high strength Replacement Pin Kits for them are listed below.

Merriman Fig. 3570 'High-Tech' Snatch Block Plunger Pin Replacement Kits
High-Tech Snatch Block #3570-30 #3570-40 #3570-50 #3570-70
Plunger Diameter 3/16"  ^1ss 3/16" (.195") 1/4" 5/16"
Pin Kit Part # Mer 9333 Mer 9334 Mer 9335 Mer 9337

For High-Tec Snatch Blocks
: Mer 9333:

: Mer 9334:

: Mer 9335:

: Mer 9337:



Nicro-Fico Snap Shackle Replacement Pin Kits
Nicro-Fico Snap Shackles are made from investment cast Stainless Steel and are by far the most common Stainless Steel Snap Shackles out there, easily identified by a NM, N, or U cast into a rectangular recess in the shackle body. There is also a Trunion variety in which the arm of the shackle articulates in a separate plane from the body of the shackle. Used on Halyard shackles, Nicro Snatch Blocks, and a variety of products produced by other manufacturers. Original production plungers are Stainless Steel, and come with spring and lanyard ring or shackle and rivet.
Nicro-Fico Stainless Steel Snap Shackles - Standard Style
Shackle Part Number NF 16100 (fixed bail) NF 12000 NF 11000 NF 15000
Plunger Diameter 1/4" 1/4" 5/16" 3/8" *
Pin Kit Part # NF 16010 NF 12010 NF 11010 NF 15010

For Standard Swivel Shackles
: NF 16010:

: NF 12010:

: NF 11010:

: NF 15010:

  RF6511
NF Standard Swivel Style NF Trunion Style
 
Nicro-Fico Stainless Steel Snap Shackles - Trunion Style
Shackle Part Number NF 16000 NF 18000 NF 14000 NF 19000 NF 17000
Plunger Diameter 1/4" 5/16" 3/8" * 7/16" 1/2"
Pin Kit Part # NF 16010 NF 18010 NF 14010 NF 19010 NF 17010

For Trunion Style Shackles
: NF 16010:

: NF 18010:

: NF 14010:

: NF 19010:

: NF 17010:



Schaefer Marine Snap Shackle Replacement Pin Kits
Schaefer Snap Shackles are made from investment cast Stainless Steel and are easy to identify because they say Schaefer on them. Used on Halyard shackles and on a variety of Schaefer Blocks including Snatch Blocks. Original production plungers are Stainless Steel with threaded ends, and come with spring, SS finger pull nut, and lanyard ring.
Schaefer Marine Stainless Steel Snap Shackles
Schaefer Size (Part #'s) #1 (45-01, 45-21) #2 (45-05, 45-25) #3 (45-10, 45-30)
Plunger Diameter .205"  0225.2 1/4"   0227.1 5/16"  0230.9
Pin Kit Part # Sch 45-51X Sch 45-55X Sch 45-60X

For Schaefer Snap Shackles
: Sch 45-51X:

: Sch 45-55X:

: Sch 45-60X:



South Coast Snap Shackle Replacement Pin Kits
South Coast Snap Shackles were made from Cast Bronze (frequently Chrome-plated) and are usually stamped with the letters "SC" and a size #. Used on Halyard shackles and on Snatch Blocks, production ceased in the 1970's. Original style plungers are Stainless Steel with threaded ends, and come with spring and cast Bronze lanyard nut.
South Coast Bronze Snap Shackles (Includes chrome plated)
South Coast Size #1 #2 #3 #4
Plunger Diameter 5/16" 3/8" 1/2" 9/16"
Pin Kit Part # SC-PK101 SC-PK102 SC-PK103 SC-PK104*

For South Coast Snap Shackles
: SC-PK101:

: SC-PK102:

: SC-PK103:

: SC-PK104:



South Coast Snap Shackle Replacement Pin Kits
South Coast Snap Shackles were made from Cast Bronze (frequently Chrome-plated) and are usually stamped with the letters "SC" and a size #. Used on Halyard shackles and on Snatch Blocks, production ceased in the 1970's. Original style plungers are Stainless Steel with threaded ends, and come with spring and cast Bronze lanyard nut.
South Coast Bronze Snap Shackles (Includes chrome plated)
South Coast Size #1 #2 #3 #4
Plunger Diameter 5/16" 3/8" 1/2" 9/16"
Pin Kit Part # SC-PK101 SC-PK102 SC-PK103 SC-PK104*

For South Coast Snap Shackles
: SC-PK101:

: SC-PK102:

: SC-PK103:

: SC-PK104:



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