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 5835-00-240-9838
NSN 5835-01-626-9603
NSN 5985-01-086-6913
NSN 5945-00-156-0781
NSN 5999-00-498-4837
NSN 6620-01-503-2667
NSN 5915-01-627-2299
NSN 5950-01-347-4384
NSN 5855-00-087-7833
NSN 6610-01-207-0045
NSN 5960-00-587-7517
NSN 6650-01-412-4217