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 6220-01-115-8186
NSN 6650-01-484-7095
NSN 5945-00-611-1125
NSN 5930-01-020-8068
NSN 6650-01-033-2979
NSN 5915-01-510-2296
NSN 6320-01-228-2380
NSN 5920-00-886-7896
NSN 5965-01-204-8505
NSN 6650-01-656-5252
NSN 6610-01-152-1463
NSN 5950-01-377-9238