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 6145-01-265-0522
NSN 6620-01-506-1003
NSN 5895-01-089-8171
NSN 6150-01-514-2541
NSN 5998-01-419-5971
NSN
NSN 4140-00-442-3490
NSN 5935-01-584-6426
NSN 6130-00-951-9845
NSN 4140-00-763-6527
NSN 5905-00-935-1142
NSN 5855-01-577-0892