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 4140-00-804-5667
NSN 5895-01-459-8632
NSN 5925-00-432-0546
NSN 6650-01-137-7450
NSN 6145-01-360-0208
NSN 6105-01-448-7292
NSN 6620-01-268-9693
NSN 5985-01-369-4721
NSN 6650-01-113-7563
NSN 6110-00-578-7243
NSN 5930-01-109-8253
NSN 5895-01-204-0807