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 5910-01-430-5009
NSN 6110-01-466-7539
NSN 4140-01-142-9725
NSN 5905-00-167-1693
NSN 5945-00-202-0792
NSN 5998-00-542-9656
NSN 5915-01-518-6679
NSN 6645-01-649-5069
NSN 6105-01-430-5401
NSN 5975-00-963-7947
NSN 6320-01-425-1417
NSN 5835-00-644-4512