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 5935-00-676-8433
NSN 5990-01-430-9177
NSN 5895-01-255-4548
NSN 5965-01-355-7164
NSN 6620-01-085-2915
NSN 5965-00-351-7460
NSN 5895-01-298-2756
NSN 5945-00-772-7774
NSN 5935-01-432-7187
NSN 2925-01-168-6253
NSN 5945-00-779-9199
NSN 5925-01-631-7575