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 6240-00-536-1867
NSN 6650-00-466-1697
NSN 6685-00-814-5704
NSN 5925-01-422-0431
NSN 5945-00-389-7948
NSN 5998-01-039-3622
NSN 5915-00-878-4334
NSN 5920-01-060-9302
NSN 6645-01-633-1852
NSN 5960-01-425-1454
NSN 5960-00-997-0502
NSN 6320-01-501-7935