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 5930-01-111-4615
NSN 6620-01-600-0479
NSN 6135-01-460-8830
NSN 5960-01-471-2656
NSN 5975-00-246-4906
NSN 6620-01-124-0947
NSN 5999-00-542-0541
NSN 6220-01-254-4704
NSN 6110-01-386-4055
NSN 5930-00-088-3302
NSN 5960-01-186-5023
NSN 2925-00-309-3041