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 5835-00-813-1724
NSN 6145-01-520-3631
NSN 6240-01-581-9394
NSN 6685-01-446-8858
NSN 5855-01-602-9653
NSN 6620-00-170-5296
NSN 5935-01-243-0787
NSN 2925-00-149-0760
NSN 5965-01-269-1960
NSN 6130-00-401-3988
NSN 6105-00-547-3885
NSN 6650-01-274-2522