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 5925-01-152-1931
NSN 6135-00-284-1406
NSN 4140-00-155-8012
NSN 5990-01-655-1437
NSN 5855-01-377-7112
NSN 6150-00-204-6258
NSN 6135-01-408-9244
NSN 5920-01-123-9358
NSN 5975-00-978-2531
NSN 5855-00-138-2386
NSN 5985-00-993-4054
NSN 5999-01-153-1280