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 5950-00-362-5661
NSN 6220-01-281-6063
NSN 5998-00-501-9376
NSN 5960-01-024-0578
NSN 5930-00-299-3428
NSN 6685-01-365-5682
NSN 6650-01-326-7305
NSN 6620-01-391-7331
NSN 6685-01-035-7306
NSN 6150-01-497-4573
NSN 5999-01-149-5826
NSN 5925-00-035-8469