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 5905-00-940-9409
NSN 5905-01-461-7684
NSN 6105-00-078-5304
NSN 2925-00-526-4541
NSN 5998-00-456-1852
NSN 5895-01-325-4566
NSN 5925-00-859-7942
NSN 6130-01-519-9337
NSN 5925-01-523-3451
NSN 5975-01-150-3121
NSN 6620-00-905-6590
NSN 5990-01-299-2014