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 6645-00-042-9587
NSN 5950-01-537-4338
NSN 5915-01-306-0318
NSN 6620-01-263-6697
NSN 5990-01-411-5930
NSN 6320-00-036-3688
NSN 6650-01-100-2637
NSN 6150-01-196-4781
NSN 6620-00-060-6801
NSN 6105-01-406-3627
NSN 5998-00-116-8981
NSN 6135-00-125-5265