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 6685-01-466-3185
NSN 6240-00-079-1759
NSN 5895-01-392-1054
NSN 5965-01-218-7795
NSN 6110-01-164-6521
NSN 5960-01-541-9884
NSN 5985-01-022-9652
NSN 2925-01-219-6782
NSN 6135-01-056-4609
NSN 5855-01-054-9014
NSN 5835-01-501-0526
NSN 5998-01-124-6589