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 6620-01-542-0494
NSN 6620-01-590-3295
NSN 5975-01-418-8710
NSN 5855-01-020-7982
NSN 6685-00-830-0239
NSN 6320-01-176-8367
NSN 5985-00-969-4628
NSN 5998-00-201-3574
NSN 5960-01-196-8878
NSN 5905-00-067-9384
NSN 4140-01-601-7555
NSN 6220-01-580-4702