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 6620-01-128-3053
NSN 5945-00-379-6745
NSN 6650-01-507-9636
NSN 5935-00-170-3577
NSN 5905-00-715-4007
NSN 5915-01-646-6233
NSN 5945-00-113-0472
NSN 5905-01-069-4994
NSN 5910-01-475-5478
NSN 6150-00-840-6946
NSN 5935-00-964-9375
NSN 4140-01-555-3124