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 6220-01-049-7204
NSN 6320-00-223-0498
NSN 6150-01-088-1448
NSN 5960-01-395-9834
NSN 5935-01-323-7238
NSN 6650-01-487-7510
NSN 5990-01-504-9265
NSN 5920-01-163-9257
NSN 6650-00-125-6560
NSN 5975-01-634-0678
NSN 6645-01-347-0450
NSN 4140-01-254-2739