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 6620-01-391-8591
NSN 6220-01-417-2675
NSN 6645-00-930-9356
NSN 6685-01-400-4192
NSN 5998-00-417-1010
NSN 6220-01-441-8662
NSN 5965-00-281-0319
NSN 5998-00-261-8727
NSN 5960-01-457-0157
NSN 6135-00-299-6918
NSN 5965-01-178-2367
NSN 5930-01-310-4512