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 5999-00-775-6428
NSN 5965-01-026-1752
NSN 5990-00-772-9277
NSN 6135-00-681-2702
NSN 5996-01-088-2260
NSN 6650-00-548-9797
NSN 6150-00-840-6946
NSN 6685-01-321-0111
NSN 5990-00-772-9277
NSN 5960-01-370-4285
NSN 6620-00-523-8604
NSN 5935-00-429-1032