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 5965-01-162-8689
NSN 6220-00-507-9831
NSN 6110-01-398-6057
NSN 5915-01-248-6870
NSN 6240-01-424-4529
NSN 6110-01-462-3799
NSN 2925-01-139-5144
NSN 5935-00-162-5613
NSN 5950-00-197-4391
NSN 6105-00-527-8571
NSN 5999-01-500-2107
NSN 5985-01-063-8884