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 5930-00-171-5087
NSN 5915-01-541-3957
NSN 5895-01-139-1539
NSN 5996-01-579-2986
NSN 6620-00-347-8938
NSN 5965-00-021-5620
NSN 5910-01-490-4294
NSN 5950-01-070-7414
NSN 5935-01-582-5470
NSN 5990-01-487-0871
NSN 5835-00-368-4182
NSN 6150-01-419-5500