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 6145-01-462-0353
NSN 5935-01-596-6207
NSN 6145-01-204-7021
NSN 6220-00-541-8515
NSN 4140-01-139-4877
NSN 5925-01-056-3546
NSN 5998-01-073-7570
NSN 5996-01-102-3072
NSN 5920-00-226-0227
NSN 6135-01-633-8502
NSN 5960-00-729-5602
NSN 5925-01-048-0562