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 5930-01-453-3914
NSN 5945-01-152-1932
NSN 5935-01-262-2363
NSN 5975-00-269-4365
NSN 5835-01-381-4452
NSN 6240-01-259-2090
NSN 4140-01-521-6900
NSN 6320-00-082-5868
NSN 6110-00-088-6071
NSN 6135-00-166-5984
NSN 6105-00-635-9809
NSN 4140-01-531-3080