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 5999-00-186-0058
NSN 6645-01-373-8860
NSN 4140-01-536-6132
NSN 6650-00-754-2276
NSN 5935-01-112-0450
NSN 5985-00-988-6835
NSN 5985-01-499-1583
NSN 5975-01-254-7911
NSN 5930-01-130-7048
NSN 6220-01-291-6375
NSN 6110-01-127-2852
NSN 6145-01-162-4085