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 5985-01-643-5450
NSN 5990-01-185-9835
NSN 5835-01-004-8997
NSN 4140-00-816-0603
NSN 5915-01-009-4262
NSN 5905-01-069-3419
NSN 5999-00-509-2871
NSN 5935-01-124-0864
NSN 6645-01-190-0085
NSN 6320-00-098-2858
NSN 5855-01-147-4785
NSN 6220-00-145-1423