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 5998-01-388-2210
NSN 6145-01-250-6108
NSN 4140-01-463-2910
NSN 6110-00-246-3941
NSN 6150-00-286-0827
NSN 6145-00-226-4468
NSN 6650-00-237-4076
NSN 6105-00-551-3747
NSN 5835-01-479-7908
NSN 5920-00-184-2058
NSN 6135-01-642-6830
NSN 5965-01-027-6554