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 5985-01-271-1757
NSN 5975-01-419-6400
NSN 5945-01-370-9728
NSN 6130-00-133-3521
NSN 6220-01-238-1609
NSN 5965-00-831-2134
NSN 6110-01-442-4144
NSN 5985-01-249-7957
NSN 4140-00-299-6328
NSN 6130-01-521-2555
NSN 5999-01-652-3551
NSN 6240-01-359-2721