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 5965-00-208-4896
NSN 5935-00-197-9463
NSN 6220-00-354-8287
NSN 6220-01-148-7103
NSN 5985-01-497-0222
NSN 5960-00-508-1768
NSN 5960-00-960-6805
NSN 6130-01-375-3988
NSN 5975-01-202-7423
NSN 6685-01-279-4354
NSN 6320-00-553-8427
NSN 5985-01-149-2605