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 5990-01-633-9503
NSN 5905-00-450-1648
NSN 5855-00-327-2112
NSN 5930-01-139-3773
NSN 6645-00-276-7544
NSN 6240-00-922-7919
NSN 6685-00-381-8551
NSN 6320-00-823-2015
NSN 6220-01-394-5263
NSN 5960-01-387-0373
NSN 7035-00-483-8630
NSN 6650-00-150-6885