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 5950-01-485-0246
NSN 6650-01-633-9147
NSN 5930-01-474-3947
NSN 5935-01-305-1995
NSN 6650-01-450-3158
NSN 5920-01-442-9746
NSN 6685-00-829-1967
NSN 6150-01-084-0282
NSN 5950-00-156-2220
NSN 5998-00-519-0164
NSN 6145-01-541-3310
NSN 6110-00-160-1374