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 6220-01-202-7954
NSN 6620-01-290-2973
NSN 5965-01-443-3000
NSN 6610-00-688-9487
NSN 6130-00-451-3947
NSN 6130-00-299-0395
NSN 6685-00-245-9521
NSN 4140-00-305-1023
NSN 6620-00-935-1321
NSN 5985-00-344-2800
NSN 5985-01-559-6013
NSN 6240-00-938-1512