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 4140-00-456-0902
NSN 5910-01-249-8944
NSN 6135-01-069-2482
NSN 6110-01-355-0081
NSN 5990-01-154-7296
NSN 6320-01-103-6218
NSN 6110-01-456-7913
NSN 6240-00-292-3237
NSN 5920-01-384-9776
NSN 6130-01-428-9106
NSN 6645-01-074-4063
NSN 5895-01-510-2806