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 5905-01-384-5807
NSN 6610-01-441-8364
NSN 6150-01-154-9686
NSN 5998-00-483-3690
NSN 6610-01-368-3269
NSN 6220-01-122-2543
NSN 5905-00-704-2711
NSN 4140-01-641-8927
NSN 6105-00-072-5655
NSN 5996-00-953-5126
NSN 5835-01-163-4215
NSN 5915-00-661-2223