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 5930-01-568-9051
NSN 5996-01-246-2472
NSN 5998-00-612-2693
NSN 5990-01-339-5118
NSN 5935-00-492-8629
NSN 6320-00-513-8376
NSN 6620-01-095-8937
NSN 5910-01-042-4454
NSN 6105-01-351-3177
NSN 6645-01-106-4303
NSN 6220-01-049-2847
NSN 5905-00-925-9313