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 5930-00-559-5446
NSN 4140-00-152-7092
NSN 5965-01-514-0932
NSN 6110-01-015-9433
NSN 5999-01-284-0552
NSN 5910-01-396-7716
NSN 6645-01-215-3629
NSN 5999-01-274-7930
NSN 5945-00-417-0856
NSN 5935-00-601-2439
NSN 5950-01-352-6304
NSN 5895-00-717-3298