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 5965-01-514-9109
NSN 5965-01-370-1891
NSN 6620-01-100-2530
NSN 6150-00-935-5239
NSN 6240-00-119-4182
NSN 5975-01-017-7726
NSN 7035-01-249-4547
NSN 5905-01-222-7414
NSN 7035-00-153-3826
NSN 6135-00-078-9931
NSN 5965-00-554-4138
NSN 5920-00-155-2173