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 5915-00-256-8820
NSN 5925-01-050-6571
NSN 5915-01-179-8587
NSN 5835-00-409-4965
NSN 5975-01-137-8490
NSN 5930-01-385-0205
NSN 5990-01-571-7468
NSN 5925-01-634-0664
NSN 6610-01-194-2480
NSN 6320-01-162-5977
NSN 6105-01-421-2644
NSN 5915-01-420-2691