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 5910-01-274-3248
NSN 5996-00-844-2696
NSN 5985-00-078-9419
NSN 6645-00-451-6462
NSN 6685-01-144-4384
NSN 6645-01-366-5033
NSN 5996-01-464-9079
NSN 6650-01-337-0657
NSN 6110-00-229-5541
NSN 6320-00-937-5625
NSN 6645-00-313-2324
NSN 6110-01-487-8867