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 5950-01-214-9279
NSN 5975-01-022-9504
NSN 5895-00-764-8615
NSN 5835-00-665-3395
NSN 6320-01-072-2073
NSN 6150-00-432-9241
NSN 5895-01-475-3384
NSN 5910-00-925-0785
NSN 5950-01-131-5544
NSN 6620-01-068-0046
NSN 6110-01-366-2427
NSN 6240-00-244-0483