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 5945-01-645-5872
NSN 6645-00-975-6941
NSN 6150-01-519-9309
NSN 6135-01-377-5729
NSN 6220-01-050-8923
NSN 6110-01-076-9022
NSN 5998-01-032-2887
NSN 6645-01-358-1474
NSN 5835-01-459-7428
NSN 6105-01-352-2950
NSN 6685-00-833-8379
NSN 6105-01-387-6073