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 5985-00-468-1360
NSN 5990-01-292-6000
NSN 6110-00-323-0289
NSN 5965-00-070-8520
NSN 5999-01-601-5487
NSN 6620-01-574-6774
NSN 6650-01-173-1952
NSN 6320-01-495-0512
NSN 4140-00-908-2763
NSN 6650-01-473-3725
NSN 5990-01-230-6301
NSN 5915-01-091-7860