Color gray or color blue
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 5998-01-367-0953
NSN 5985-01-263-0375
NSN 6105-01-586-9945
NSN 4140-00-873-3448
NSN 5999-00-252-3207
NSN 5998-01-451-9638
NSN 5975-01-167-8598
NSN 6220-01-207-0523
NSN 5855-00-937-5320
NSN 6145-01-535-7062
NSN 5999-01-258-5930
NSN 6135-01-528-6896