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 6220-01-288-5235
NSN 2925-01-021-3150
NSN 5920-00-192-6565
NSN 6685-01-095-9791
NSN 4140-01-465-4721
NSN 5855-00-483-0020
NSN 5996-01-455-2198
NSN 6220-01-616-2987
NSN 6110-00-957-3939
NSN 5975-00-529-3835
NSN 6145-01-498-8478
NSN 6145-01-191-8318