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 5945-00-843-2497
NSN 6110-00-391-8932
NSN 5855-01-147-6024
NSN 5855-00-135-9064
NSN 5990-01-339-9238
NSN 5855-01-441-3189
NSN 6130-01-296-9532
NSN 5925-01-513-1981
NSN 5835-01-442-6482
NSN 5915-01-206-2851
NSN 6645-01-331-3364
NSN 6110-01-095-3519