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 5910-01-179-8525
NSN 5905-01-532-6735
NSN 5915-00-804-8989
NSN 5910-00-293-2389
NSN 5925-00-592-0881
NSN 6620-01-461-0899
NSN 5985-00-905-5049
NSN 5920-01-177-1278
NSN 5985-01-298-2070
NSN 5910-01-008-5375
NSN 2925-00-026-0005
NSN 5985-00-280-8057