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 5990-01-135-8269
NSN 5915-01-501-2590
NSN 6620-00-695-6078
NSN 6150-00-141-8793
NSN 5950-01-361-7016
NSN 5910-01-541-5950
NSN 5975-01-611-3688
NSN 5985-00-594-8824
NSN 5985-01-099-0652
NSN 5930-00-912-5342
NSN 5965-00-920-0455
NSN 5920-01-373-1018