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Conforms to Federal Specification RR-C-271D, Type IVB, Grade A, Class 1
Ultimate load is 6 times working load limit
Quenched and tempered, with alloy pin
Proof load is 2.2 times working load limit
Ultimate load is 6 times working load limit

Chain shackles are typically used on wire rope loops for lifting or towing.
Unit of Measure

Specifications

D (in)

N/A 4.38

B (in)

N/A 1.5

A (in)

N/A 2.25

C (in)

N/A 1.5

E (in)

N/A 1.38

G (in)

N/A 5

F (in)

N/A 3.31

H (in)

N/A 8.28

M (in)

N/A 6.84

Nominal Size (in)

N/A 1 3/8

Weight (lbs)

N/A 12

WLL (Tons)

N/A 13 1/2