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 5998-00-073-8068
NSN 5999-01-425-7540
NSN 5975-00-137-2836
NSN 6240-01-067-6457
NSN 5935-01-440-5177
NSN 5925-00-319-4212
NSN 5975-01-479-1950
NSN 4140-01-411-5908
NSN 5925-00-244-0711
NSN 6150-01-076-4811
NSN 6130-00-771-9936
NSN 6145-01-546-8556