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 6650-01-594-0680
NSN 5915-01-159-4524
NSN 6150-01-010-2597
NSN 6645-01-417-1913
NSN 5996-01-617-2500
NSN 6610-01-019-5827
NSN 5950-00-934-1715
NSN 5945-01-251-7898
NSN 6620-01-352-0364
NSN 5975-01-072-3689
NSN 6620-00-252-6425
NSN 5905-01-113-5144