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 6645-01-137-1684
NSN 6610-01-020-0586
NSN 5985-01-139-1637
NSN 5920-00-148-4622
NSN 6650-00-125-6560
NSN 5990-00-150-6979
NSN 5905-00-391-5548
NSN 5835-01-286-6499
NSN 6220-00-508-9155
NSN 2925-01-015-2354
NSN 6610-00-221-5718
NSN 5925-01-173-7286