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 5999-00-178-0906
NSN 6610-00-425-7684
NSN 5985-01-326-3608
NSN 5960-00-893-2187
NSN 4140-01-582-9725
NSN 5945-01-551-0654
NSN 5915-01-038-5266
NSN 5999-01-620-5979
NSN 5985-01-391-5676
NSN 6150-00-681-4511
NSN 5990-00-954-5059
NSN 5935-01-361-9126