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 5910-01-475-5478
NSN 5998-01-057-0629
NSN 6150-01-567-8846
NSN 5925-01-454-4419
NSN 5910-00-077-1614
NSN 6135-00-519-1325
NSN 4140-00-078-9357
NSN 5905-01-301-0861
NSN 6220-00-556-8200
NSN 5990-01-082-3807
NSN 6620-00-825-2227
NSN 6150-00-539-9812