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 6135-00-128-1633
NSN 6320-01-422-1212
NSN 7035-01-068-3300
NSN 5990-00-038-0695
NSN 5935-00-396-3685
NSN 2925-01-446-0525
NSN 5930-00-541-7795
NSN 5835-00-148-9719
NSN 6150-00-278-7070
NSN 6110-00-673-9130
NSN 6135-01-202-8113
NSN 6240-01-415-2349