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 6610-01-371-3006
NSN 6650-01-498-2189
NSN 5930-01-290-1253
NSN 6220-01-314-1339
NSN 5985-00-338-6424
NSN 5835-01-416-6449
NSN 5855-01-415-3987
NSN 5965-00-236-0016
NSN 5950-01-374-9354
NSN 5998-01-465-5187
NSN 6620-01-315-9328
NSN 6610-01-527-2395