A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 6645-00-872-8685
NSN 6150-01-004-8788
NSN 6240-01-595-3026
NSN 2925-01-424-0235
NSN 4140-00-225-8586
NSN 5965-00-973-1090
NSN 7035-01-408-8698
NSN 5915-00-375-0347
NSN 5998-01-055-8166
NSN 5915-01-552-2368
NSN 6320-00-466-0371
NSN 6320-01-416-9357