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 6110-01-541-8076
NSN 6320-01-227-2648
NSN 5975-01-485-3210
NSN 6610-01-225-0416
NSN 5925-01-015-7873
NSN 5996-00-583-9498
NSN 2925-00-048-7172
NSN 5935-01-251-1472
NSN 5910-01-121-7603
NSN 6645-01-257-1948
NSN 6610-00-918-3389
NSN 6610-01-653-8859