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 4140-01-217-6290
NSN 6685-00-751-3091
NSN 6320-01-616-0843
NSN 5990-00-497-9234
NSN 6240-01-304-2798
NSN 5895-00-356-6335
NSN 6620-00-127-6134
NSN 5855-01-252-5424
NSN 5996-00-136-8233
NSN 5910-01-544-4410
NSN 5935-01-219-8937
NSN 6320-00-468-8421