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 5930-01-352-4720
NSN 6610-01-314-7964
NSN 5925-01-450-6478
NSN 6620-00-957-1352
NSN 6105-01-337-2936
NSN 5985-01-529-7280
NSN 6620-01-461-6427
NSN 6220-01-497-0272
NSN 5950-01-195-1388
NSN 6220-00-541-8515
NSN 6145-01-364-7837
NSN 6620-01-021-8906