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 2925-01-424-0235
NSN 6110-00-802-1305
NSN 2925-00-936-9344
NSN 6130-01-545-8378
NSN 6240-01-550-8991
NSN 5990-01-219-2703
NSN 5996-00-410-8554
NSN 6240-01-009-3636
NSN 5855-00-451-6155
NSN 6105-01-088-8133
NSN 6145-01-469-1238
NSN 5855-01-020-7982