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 6320-01-139-0533
NSN 5999-01-050-4064
NSN 4140-01-266-4519
NSN 6135-01-223-3869
NSN 5910-01-357-7314
NSN 5975-00-456-2257
NSN 5975-01-201-5497
NSN 6130-00-081-2186
NSN 5990-01-658-9964
NSN 5990-01-118-8624
NSN 6240-01-646-0860
NSN 6645-01-324-8185