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 5855-00-930-9478
NSN 5910-01-275-2952
NSN 5930-01-467-9889
NSN 5910-01-167-9155
NSN 5998-01-418-1057
NSN 6650-00-546-9641
NSN 5895-00-646-8448
NSN 6105-01-265-2685
NSN 6130-01-502-6729
NSN 6620-00-992-5876
NSN 5965-01-170-2812
NSN 5996-01-556-2999