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 5960-00-215-5884
NSN 6135-01-503-1688
NSN 5935-00-626-9788
NSN 5855-01-068-3683
NSN 6650-00-590-9073
NSN 5960-00-273-3260
NSN 6610-01-383-7419
NSN 2925-00-596-9775
NSN 6645-00-943-2888
NSN 6240-00-518-3541
NSN 6130-01-262-4366
NSN 5895-01-433-2794