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 6105-00-717-8998
NSN 5910-01-236-9169
NSN 5895-01-530-0160
NSN 6645-00-292-5053
NSN 5960-01-157-7009
NSN 5965-01-600-5604
NSN 4140-01-339-0090
NSN 5998-01-246-4784
NSN 6320-01-592-4567
NSN 5925-01-030-4673
NSN 5895-01-099-3576
NSN 5975-01-170-4643