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 5910-01-574-0303
NSN 5915-01-506-8750
NSN 5945-00-699-9797
NSN 5910-00-110-8717
NSN 6150-01-285-1473
NSN 5999-01-209-9838
NSN 2925-01-577-0004
NSN 6620-01-065-4527
NSN 6620-01-304-8055
NSN 5965-01-368-2966
NSN 6220-00-972-7933
NSN 5905-00-111-0451