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 5835-00-148-9719
NSN 4140-01-160-8106
NSN 6150-00-918-3900
NSN 2925-01-596-9448
NSN 6650-01-645-0735
NSN 6620-01-168-8450
NSN 6240-00-974-5925
NSN 5945-00-797-2572
NSN 6130-01-004-8554
NSN 6240-01-160-7934
NSN 5925-00-622-2294
NSN 5965-01-312-1630