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 6135-00-231-7257
NSN 6145-00-689-4215
NSN 6645-01-400-2119
NSN 5998-01-356-5641
NSN 5945-00-964-8677
NSN 5945-01-067-7955
NSN 5975-00-321-1146
NSN 6150-00-480-5978
NSN 6220-01-229-7605
NSN 5999-01-559-0574
NSN 5920-01-463-3156
NSN 6320-00-456-0836