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 6220-01-399-4364
NSN 5960-00-913-6195
NSN 4140-01-408-7232
NSN 6220-00-570-0610
NSN 5965-00-362-2158
NSN 5990-00-186-2445
NSN 6620-01-651-5425
NSN 6130-01-315-9317
NSN 5930-01-273-0152
NSN 5965-01-358-1279
NSN 6645-01-045-4088
NSN 6610-01-010-3831