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 6130-00-110-2346
NSN 5930-01-257-4409
NSN 5905-01-065-0382
NSN 5905-00-916-5602
NSN 5965-01-080-9808
NSN 5910-00-900-4834
NSN 5855-01-544-7588
NSN 5975-01-535-9255
NSN 5935-01-137-6666
NSN 6240-00-269-3346
NSN 5925-00-482-8704
NSN 5975-00-600-5847