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 5835-01-336-1153
NSN 5920-01-337-9666
NSN 6240-00-292-3237
NSN 5985-01-025-7437
NSN 6645-00-230-4396
NSN 6240-01-607-4651
NSN 5895-01-377-6489
NSN 5895-01-424-5913
NSN 4140-01-071-0698
NSN 5996-01-508-4599
NSN 5975-01-264-0019
NSN 6220-01-576-8405