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 5855-01-088-8700
NSN 5999-01-153-9905
NSN 5996-01-156-6661
NSN 6145-01-322-7606
NSN 5915-01-640-8370
NSN 7035-00-500-7839
NSN 6105-00-151-7528
NSN 6150-01-571-5754
NSN 5935-01-329-7887
NSN 5999-01-276-6134
NSN 5915-01-323-8112
NSN 5835-01-116-2369