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 2925-00-520-9546
NSN 6320-01-190-1397
NSN 6105-01-493-7735
NSN 6110-00-189-7489
NSN 5930-00-956-9822
NSN 6110-00-938-5676
NSN 5990-01-353-6444
NSN 5960-01-653-9441
NSN 5925-00-144-0482
NSN 6240-01-124-1537
NSN 5855-00-149-0766
NSN 5895-01-487-6243