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 5895-00-905-2762
NSN 6130-01-213-0196
NSN 5945-01-011-5578
NSN 5965-00-252-6014
NSN 6240-01-270-5998
NSN 5950-00-774-3021
NSN 5975-01-506-3547
NSN 5998-01-554-6370
NSN 5920-01-358-6930
NSN 6645-01-473-3752
NSN 5930-01-407-3748
NSN 5965-00-134-0883