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 5915-01-296-7589
NSN 6145-01-609-9715
NSN 5975-00-891-7452
NSN 5835-00-196-9771
NSN 6620-01-300-4523
NSN 5905-01-145-7965
NSN 5999-01-231-1422
NSN 6320-00-391-5111
NSN 5930-00-821-4809
NSN 5975-01-522-0822
NSN 6150-01-331-9860
NSN 6105-00-449-5593