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 5905-01-399-6779
NSN 6610-01-533-2935
NSN 5835-01-578-3443
NSN 5835-01-397-6412
NSN 5985-01-602-1465
NSN 6610-00-023-0076
NSN 6220-01-596-1231
NSN 6110-01-602-3242
NSN 6105-01-318-5734
NSN 6645-01-131-4328
NSN 6150-01-104-1989
NSN 6150-01-516-7297