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 5960-01-415-3574
NSN 6610-01-140-3634
NSN 6105-01-004-1010
NSN 6685-01-061-5508
NSN 6105-01-167-7944
NSN 5895-01-542-9039
NSN 5935-01-343-1299
NSN 5960-00-266-6741
NSN 5945-00-932-3335
NSN 6145-00-205-4046
NSN 5945-01-260-7741
NSN 5960-00-813-6762