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 6620-00-021-2246
NSN 5855-01-586-9232
NSN 6105-01-561-0330
NSN 6130-01-143-9825
NSN 5930-01-343-0059
NSN 6240-01-512-1856
NSN 5975-01-027-4079
NSN 5925-01-554-7152
NSN 5930-01-466-8723
NSN 5920-00-285-2245
NSN 5950-01-336-1784
NSN 6240-01-187-0105