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 5999-00-262-6041
NSN 6220-01-215-8627
NSN 6240-00-068-5543
NSN 5998-01-546-8015
NSN 5975-01-325-7833
NSN 5935-01-333-2435
NSN 5910-00-317-7913
NSN 6610-01-627-8985
NSN 6220-00-912-6890
NSN 5910-01-439-2491
NSN 6240-01-025-4495
NSN 6645-01-549-0935