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 4140-00-839-4911
NSN 6240-00-797-3000
NSN 5990-01-200-6711
NSN 5990-01-283-7062
NSN 5950-00-639-9675
NSN 6130-01-275-8322
NSN 5999-01-425-2720
NSN 5975-00-003-7844
NSN 6110-00-947-1857
NSN 6135-01-231-4809
NSN 5950-01-236-1490
NSN 5996-00-248-7061