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 6650-01-455-3460
NSN 5915-00-624-8174
NSN 6620-00-218-4959
NSN 5999-01-614-9423
NSN 6110-01-426-5617
NSN 5965-01-063-7894
NSN 5855-00-427-7848
NSN 6240-01-026-9289
NSN 5895-00-562-7387
NSN 6240-01-160-7430
NSN 5990-00-815-5160
NSN 6620-01-084-2255