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 5930-01-456-4811
NSN 5999-00-740-6078
NSN 6610-00-647-3830
NSN 5915-01-072-1538
NSN 6320-00-433-2773
NSN 6145-01-499-5031
NSN 6110-01-322-8024
NSN 6110-01-615-2925
NSN 6145-01-054-3874
NSN 6650-01-264-7227
NSN 6685-01-396-6866
NSN 5996-01-272-5685