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 5930-01-642-0078
NSN 6135-01-222-0703
NSN 5990-00-195-9460
NSN 6145-01-156-0284
NSN 5835-01-616-6131
NSN 6150-00-288-6245
NSN 6145-01-555-7660
NSN 5996-00-851-5802
NSN 6220-01-353-2458
NSN 5925-00-110-1898
NSN 6130-01-241-6852
NSN 6105-00-943-5183