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 5998-01-036-9623
NSN 5835-01-090-0784
NSN 6240-01-648-6370
NSN 6240-01-591-7953
NSN 6645-01-647-9082
NSN 5925-01-198-9910
NSN 5905-01-152-1367
NSN 6105-01-545-2776
NSN 5935-01-077-7170
NSN 6240-01-445-3644
NSN 4140-00-332-5956
NSN 5930-01-480-8624