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 5915-01-487-7703
NSN 6320-01-448-6265
NSN 6145-00-558-1834
NSN 6645-00-033-8714
NSN 5950-01-260-4125
NSN 5975-01-178-7499
NSN 5950-01-497-6980
NSN 6620-00-303-3271
NSN 6150-01-279-2061
NSN 6105-00-639-6857
NSN 6130-01-288-1894
NSN 6645-01-655-8115