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 6110-01-483-0299
NSN 5950-01-106-0302
NSN 5895-01-111-9162
NSN 5960-00-925-3721
NSN 5835-01-481-4204
NSN 6650-00-107-1667
NSN 6220-01-222-0724
NSN 5998-00-161-6564
NSN 5855-01-444-4859
NSN 6105-01-590-3278
NSN 5935-01-156-7893
NSN 5855-00-149-0766