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 6135-01-138-8157
NSN 5985-01-063-1940
NSN 6240-01-324-4688
NSN 6620-01-465-9885
NSN 5915-01-468-4907
NSN 5965-01-022-0819
NSN 6130-01-444-8081
NSN 5998-00-719-7610
NSN 4140-00-635-9195
NSN 5985-01-077-0280
NSN 5920-00-522-6525
NSN 5999-01-066-8766