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 7035-01-083-0282
NSN 4140-00-781-9432
NSN 6650-01-246-4262
NSN 7035-00-188-6674
NSN 6685-01-474-8326
NSN 5950-00-323-1680
NSN 5895-01-378-8686
NSN 5975-01-369-9840
NSN 6145-00-397-4231
NSN 6685-01-647-7050
NSN 5935-00-982-3492
NSN 6130-01-522-0747