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 5895-01-351-6551
NSN 6240-00-646-6931
NSN 6610-01-078-3242
NSN 5975-00-503-4697
NSN 6620-01-062-1662
NSN 5910-01-080-2924
NSN 6240-01-244-7668
NSN 6610-01-025-4718
NSN 5925-00-533-1547
NSN 6105-01-624-0066
NSN 6685-00-196-0304
NSN 5950-01-372-5396