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 6685-01-575-7335
NSN 5990-01-565-2226
NSN 6685-01-206-1066
NSN 5905-00-166-7235
NSN 4140-01-631-1896
NSN 6110-01-217-7932
NSN 7035-01-307-5366
NSN 5915-00-840-3302
NSN 6150-01-529-3224
NSN 6130-01-595-0810
NSN 5945-01-475-6717
NSN 5965-00-150-1144