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Shackle, Snap, 5/16" Pin: C-30 and up Spinnaker Halyard

Part #: Z1831
Snap shackles when you need to open a shackle in a snap. The photo above provides a relative size comparison to help you choose. Click one of the links in the "Other Sizes" tab to choose a different size shackle. Click "Order Now!" to purchase the part number specified for this shackle below. See "May we also suggest" at the bottom to select other types of shackles.
Snapshackle for the spinnaker halyard on Catalina 30s and larger.

Specific Uses:

• Cruising spinnaker gear kit for Catalina 30

• Racing spinnaker gear kit for Catalina 30
Specifications for this Shackle #Z1831:
• Nominal size: 5/16"
• Pin diameter (A): 8mm / 0.312"
• Max inside height (B): 31mm /1.250"
• Max inside width (C): 17mm /0.700"
• Max line diameter (D): 16mm / 0.656" (5/8")
• Overall length (E): 92mm / 3.639"
• Breaking strength: 3200kg / 7050 lbs
• Safe working load: 1600kg / 3530 lbs
• Safety wire hole: No
• Construction: Investment Cast
• Material: 15-5 PH instant cast stainless steel body and hasp; Type 316 stainless steel plunger pin and spring

Nominal Sizes Available (click to view):
1/4”: Z4711
1/4”: Z1830
1/4”: Z4709
1/4”: D2088
5/16”: Z4712
• 5/16": Z1831 (the shackle sold on this page)
5/16”: Z2339