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 5835-01-555-8963
NSN 6130-01-021-4980
NSN 6130-00-812-6175
NSN 5985-00-911-7556
NSN 5935-01-466-0404
NSN 5855-01-187-2293
NSN 6145-00-722-0090
NSN 5945-01-189-1874
NSN 5990-01-095-8866
NSN 5985-01-180-4099
NSN 6130-00-148-2909
NSN 6130-01-654-3494