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 6610-01-290-2627
NSN 5915-01-194-5540
NSN 6145-01-485-7579
NSN 5905-00-097-7631
NSN 5999-00-367-3738
NSN 6220-01-332-3610
NSN 5975-01-072-1250
NSN 2925-00-402-5582
NSN 6320-01-422-1212
NSN 4140-01-509-3608
NSN 6220-01-390-7341
NSN 6645-01-351-6900