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 5965-01-275-9246
NSN 5999-01-634-0576
NSN 6620-00-466-2314
NSN 5965-00-067-7393
NSN 5999-01-193-3914
NSN 5930-00-869-9439
NSN 5855-00-014-5008
NSN 5950-00-759-2790
NSN 5999-00-442-4244
NSN 5920-00-140-8912
NSN 5975-01-200-7710
NSN 5950-01-609-7431