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 6145-01-359-8028
NSN 6145-00-820-3342
NSN 6145-01-336-7258
NSN 5835-01-631-3940
NSN 5835-01-047-8343
NSN 5999-01-527-2002
NSN 5935-01-274-3279
NSN 6610-01-142-8958
NSN 5920-01-293-7418
NSN 5999-01-097-4868
NSN 4140-00-994-0123
NSN 6610-01-175-5920