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 5910-01-161-3256
NSN 6650-01-406-4959
NSN 5835-01-293-6453
NSN 6105-01-558-8582
NSN 6685-00-259-3013
NSN 6150-00-891-7922
NSN 5835-00-257-2852
NSN 4140-01-452-9428
NSN 6110-01-652-3852
NSN 4140-00-624-7627
NSN 5999-00-400-4744
NSN 5935-00-950-5637