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 5965-01-583-0541
NSN 5925-00-575-2986
NSN 6650-01-532-2513
NSN 6645-00-434-8793
NSN 5910-01-564-4903
NSN 6620-01-593-0817
NSN 5975-01-367-4161
NSN 4140-01-413-3593
NSN 5950-01-027-5412
NSN 5950-00-953-7368
NSN 6135-00-050-7189
NSN 5950-01-496-5482