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 5999-01-154-0563
NSN 5915-01-160-1861
NSN 6610-01-436-2803
NSN 6240-01-442-3501
NSN 5930-01-164-3518
NSN 4140-00-354-4117
NSN 6145-01-067-7110
NSN 5960-01-128-0850
NSN 6145-01-571-7928
NSN 5996-01-128-4811
NSN 4140-00-727-3731
NSN 6150-00-518-1402