A soft metal or nonmetal sleeve, designed to mate with a pin-rivet. it may include an external wrenching facility which breaks off at a perdetermined torque to form a head.
NSN 5910-01-469-5514
NSN 6320-01-530-4870
NSN 6105-00-553-8943
NSN 5910-01-147-5895
NSN 2925-01-239-6044
NSN 6320-01-029-4220
NSN 5930-01-164-8647
NSN 5960-00-579-0298
NSN 6150-01-518-5369
NSN 5960-01-503-0362
NSN 6220-01-229-1625
NSN 6620-01-414-4578