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 5990-00-234-0119
NSN 6240-01-541-5395
NSN 6320-01-029-4220
NSN 5835-01-362-0305
NSN 5975-01-265-0686
NSN 6105-00-675-0525
NSN 6645-01-251-0441
NSN 5999-00-139-3220
NSN 6685-01-608-5069
NSN 5998-01-514-9953
NSN 6240-00-527-8614
NSN 5999-01-076-9023