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 5925-01-382-9313
NSN 5935-01-367-9776
NSN 7035-00-329-4015
NSN 6105-01-500-0891
NSN 5855-01-643-2514
NSN 5996-00-336-3046
NSN 7035-01-364-0286
NSN 6145-01-301-7908
NSN 2925-00-942-2417
NSN 5975-01-323-4645
NSN 6650-01-385-1979
NSN 5996-00-864-0775