Self-containing washer
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 6220-00-674-3178
NSN 6135-01-096-1452
NSN 5930-00-683-9446
NSN 6240-01-658-3177
NSN 6320-00-586-5641
NSN 5855-00-189-6066
NSN 5920-01-585-6775
NSN 6320-01-334-5305
NSN 5950-01-264-9978
NSN 5990-01-320-1412
NSN 6110-01-509-1448
NSN 5920-01-651-9321