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 4140-00-740-2153
NSN 6150-00-220-2420
NSN 6650-01-506-5636
NSN 5905-00-682-3593
NSN 6685-00-052-9003
NSN 5945-01-169-1563
NSN 5990-00-226-7894
NSN 6110-00-350-4227
NSN 6105-01-095-2470
NSN 5895-01-258-1148
NSN 5930-01-051-6984
NSN 6110-00-770-5845