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 6645-01-070-7364
NSN 5990-01-326-2677
NSN 5895-01-454-1846
NSN 5835-01-406-4066
NSN 5935-00-248-5919
NSN 5996-01-430-9291
NSN 5998-01-600-1402
NSN 5985-01-211-6184
NSN 2925-01-500-0730
NSN 6685-00-140-0890
NSN 5925-00-525-0194
NSN 5835-01-579-5941