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 6320-00-004-9158
NSN 5935-01-432-8564
NSN 5985-00-383-6178
NSN 4140-01-618-3705
NSN 5999-01-228-3267
NSN 5960-00-097-7007
NSN 5855-01-565-9428
NSN 6150-01-388-4095
NSN 5960-01-587-5924
NSN 5965-00-246-5612
NSN 6240-01-478-3332
NSN 4140-01-106-7394