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 6620-00-186-8220
NSN 5960-00-344-2586
NSN 5965-00-493-6008
NSN 7035-01-240-4998
NSN 4140-01-197-8148
NSN 5965-00-013-7990
NSN 5950-01-084-4629
NSN 6220-01-049-4536
NSN 6610-01-621-0422
NSN 5990-00-568-4940
NSN 6130-00-571-4092
NSN 6110-01-108-8246