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 4140-01-364-9541
NSN 6620-00-133-7903
NSN 5835-01-301-0022
NSN 5915-01-261-7839
NSN 5965-01-386-2988
NSN 6110-00-030-2779
NSN 5920-01-067-4897
NSN 5998-01-566-5798
NSN 4140-01-424-2069
NSN 6610-01-364-0294
NSN 5895-01-421-7201
NSN 5920-01-141-6885