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 6685-01-503-9189
NSN 6645-01-469-9094
NSN 6145-00-771-7873
NSN 5985-00-661-2263
NSN 5960-01-060-4375
NSN 6645-00-285-8781
NSN 6130-01-236-8444
NSN 5835-00-187-1481
NSN 5930-01-430-2510
NSN 5950-01-018-2363
NSN 5835-01-200-7153
NSN 5855-01-257-2636