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 5998-01-634-0604
NSN 5905-01-184-9728
NSN 6240-01-123-0475
NSN 6135-01-451-2120
NSN 6105-00-149-1602
NSN 5930-01-011-1216
NSN 6130-01-176-6478
NSN 6135-00-613-1068
NSN 6135-01-558-4194
NSN 6110-00-116-5514
NSN 6645-01-578-6815
NSN 6240-00-269-3346