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 6130-00-148-8784
NSN 6610-00-216-6538
NSN 6150-01-609-2386
NSN 6240-01-406-9057
NSN 6620-01-558-6558
NSN 6650-01-250-1244
NSN 5910-01-144-7935
NSN 4140-01-101-1165
NSN 5855-01-100-3272
NSN 5915-01-446-5028
NSN 6650-01-048-1468
NSN 5975-01-025-5794