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 6220-01-531-7864
NSN 6130-01-226-4206
NSN 5835-00-670-2925
NSN 5835-01-477-0137
NSN 5920-01-505-5874
NSN 6320-01-192-0332
NSN 5920-00-437-8450
NSN 5999-01-158-8859
NSN 6685-01-445-1055
NSN 5975-01-647-6044
NSN 5930-00-553-9211
NSN 5930-00-424-2664