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 5975-01-565-5866
NSN 6320-01-171-3238
NSN 5950-01-634-0677
NSN 5915-01-097-5277
NSN 5905-00-203-9524
NSN 5965-00-775-6496
NSN 5998-00-244-1835
NSN 5905-00-610-5698
NSN 5985-00-146-1305
NSN 6610-01-448-8497
NSN 6610-00-185-9434
NSN 7035-01-131-1168