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 6150-01-252-0451
NSN 5905-01-032-7773
NSN 6320-00-553-8427
NSN 5990-01-651-0170
NSN 6650-00-491-0277
NSN 5965-01-555-8007
NSN 5915-01-246-9642
NSN 6220-01-171-0957
NSN 6145-01-498-3913
NSN 5999-00-381-9891
NSN 6240-01-409-2465
NSN 6130-01-456-2088