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 5930-01-100-8543
NSN 6320-00-139-1090
NSN 5945-00-331-9678
NSN 5910-01-185-5774
NSN 6150-01-323-5249
NSN 6685-00-203-2389
NSN 6220-01-422-2585
NSN 7035-01-424-7019
NSN 5960-01-355-2968
NSN 6105-01-521-3582
NSN 5999-00-403-1611
NSN 5855-01-550-5219