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 5960-01-481-8051
NSN 6145-01-429-1053
NSN 6110-01-276-5407
NSN 6150-00-840-9424
NSN 5855-01-363-6012
NSN 5999-01-146-6758
NSN 5925-01-028-1717
NSN 6240-01-143-0397
NSN 6150-00-150-8838
NSN 5996-00-113-7341
NSN 5855-00-089-3974
NSN 6145-00-100-4358