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 5950-01-428-3032
NSN 5996-01-003-7206
NSN 6685-01-504-2026
NSN 5998-01-266-8090
NSN 5960-01-177-0338
NSN 5996-01-473-2183
NSN 5998-00-058-3020
NSN 5835-00-269-2232
NSN 5895-01-184-1036
NSN 5950-01-206-4717
NSN 5905-00-398-0778
NSN 7035-00-020-2227