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 5835-01-435-4139
NSN 5905-01-202-8115
NSN 5930-00-854-2600
NSN 6220-01-171-0957
NSN 5930-01-053-5864
NSN 5935-01-186-9346
NSN 5910-00-475-2402
NSN 5910-01-257-1660
NSN 6130-00-266-7496
NSN 5835-01-102-4451
NSN 6130-01-258-5892
NSN 6220-01-586-7200