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 6620-00-269-5168
NSN 6645-00-153-3834
NSN 5835-01-485-0210
NSN 5945-01-652-3013
NSN 6150-01-576-9803
NSN 5950-00-423-7420
NSN 6240-01-563-8145
NSN 5930-00-763-6124
NSN 5905-01-350-3275
NSN 6650-00-527-8822
NSN 5950-00-081-9226
NSN 5945-00-853-5946