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 6645-00-169-6759
NSN 6620-01-057-2580
NSN 5835-01-341-7446
NSN 5925-01-571-8640
NSN 5895-00-104-9837
NSN 5945-01-647-3839
NSN 5895-01-415-1377
NSN 5835-00-764-4388
NSN 6650-01-058-5908
NSN 5975-00-082-0894
NSN 5998-00-238-6959
NSN 6645-01-058-6260