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 5905-00-688-7497
NSN 5920-00-506-1790
NSN 6105-00-626-0205
NSN 5975-01-274-9555
NSN 6145-01-487-3773
NSN 6240-00-127-7874
NSN 5965-01-231-5047
NSN 5835-00-764-4388
NSN 6110-01-612-9110
NSN 5920-00-391-6252
NSN 6150-01-085-2821
NSN 5910-01-161-9307