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 6130-00-874-4578
NSN 5996-00-116-3950
NSN 6105-01-106-6355
NSN 6240-01-555-8365
NSN 6320-00-360-1301
NSN 5935-01-403-2844
NSN 6150-01-451-5814
NSN 5920-01-145-5362
NSN 5945-00-290-1779
NSN 5930-00-999-3226
NSN 5945-00-761-9037
NSN 5915-00-788-6270