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 6135-01-380-4396
NSN 4140-01-196-0501
NSN 6145-01-228-6267
NSN 5925-00-038-6147
NSN 5905-01-460-1049
NSN 6105-00-702-1333
NSN 6105-00-444-1194
NSN 5920-00-248-8896
NSN 6105-01-442-7801
NSN 5925-01-523-1918
NSN 6650-01-306-8352
NSN 5835-01-314-2781