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 5990-01-104-0469
NSN 5905-00-471-2904
NSN 5855-01-476-4219
NSN 5950-01-415-0276
NSN 5915-00-756-2699
NSN 5998-01-434-9111
NSN 5960-01-201-6316
NSN 5935-01-079-5099
NSN 5895-01-205-6375
NSN 5985-00-544-2614
NSN 6620-01-338-8945
NSN 5855-00-631-4565