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 6685-00-350-7679
NSN 6320-01-366-5157
NSN 5905-01-293-2447
NSN 5990-01-510-4699
NSN 6240-01-573-9298
NSN 5999-00-385-1722
NSN 5895-01-180-4579
NSN 6135-01-616-5983
NSN 5915-01-346-4987
NSN 2925-01-239-6044
NSN 5990-01-539-4653
NSN 5960-00-409-9604