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 5990-01-568-5565
NSN 5920-01-083-4995
NSN 5895-01-398-8190
NSN 5960-01-487-4791
NSN 5945-01-595-7658
NSN 6130-00-152-7106
NSN 5990-00-900-4142
NSN 5950-01-617-9147
NSN 5905-01-445-5923
NSN 5945-00-681-0371
NSN 6620-01-078-6372
NSN 7035-00-445-9657