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 4140-00-252-0879
NSN 5960-01-059-6300
NSN 5855-01-230-4665
NSN 6620-00-997-6791
NSN 5920-00-411-5237
NSN 5965-01-617-9182
NSN 6150-01-187-9789
NSN 6105-00-964-4060
NSN 7035-00-215-3272
NSN 6620-01-575-3634
NSN 6135-01-247-5660
NSN 5905-00-615-9391