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 6650-01-468-6889
NSN 5975-01-446-2920
NSN 4140-00-710-2917
NSN 5975-00-583-8625
NSN 5935-00-976-4491
NSN 6135-01-633-8502
NSN 5855-01-617-4190
NSN 5915-00-149-8573
NSN 6650-01-633-9147
NSN 5920-01-296-2770
NSN 5835-00-827-1904
NSN 6610-01-176-3539