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 6610-01-202-7404
NSN 2925-00-891-9289
NSN 5905-00-060-8609
NSN 6220-00-864-4891
NSN 5999-00-900-9114
NSN 6145-01-381-2529
NSN 6320-00-270-8222
NSN 6240-01-579-8568
NSN 6150-01-174-0894
NSN 5999-01-430-2229
NSN 6645-00-754-4108
NSN 6135-01-205-5965