A metal hook formed with a relatively narrow throat which grabs a chain link and prevents the chain loop tightening when load is applied.
NSN 6220-01-646-6342
NSN 5950-01-073-3729
NSN 5835-01-657-0245
NSN 6110-01-555-6119
NSN 6610-01-599-4462
NSN 5975-01-419-1072
NSN 5855-01-040-3881
NSN 7035-00-470-4977
NSN 6220-01-132-4575
NSN 5975-01-280-3904
NSN 5930-01-059-6538
NSN 6645-00-664-4665