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 5855-00-361-0167
NSN 5925-00-269-2685
NSN 5920-01-505-8953
NSN 5925-01-660-2124
NSN 5985-01-634-0635
NSN 5945-01-466-3120
NSN 5996-01-257-2517
NSN 5965-01-247-5696
NSN 5910-01-652-0233
NSN 5990-00-908-4252
NSN 6105-01-349-8588
NSN 6240-01-474-5446