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 5910-00-442-2255
NSN 6240-01-224-7656
NSN 6685-01-178-9369
NSN 6320-00-731-6134
NSN 6620-01-567-7456
NSN 6240-01-429-9826
NSN 6240-01-319-4380
NSN 6620-01-161-8034
NSN 5835-01-174-7700
NSN 5960-01-550-8038
NSN 5905-01-038-0911
NSN 6620-01-256-4307