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 6685-01-188-1604
NSN 5915-00-290-1569
NSN 6320-00-646-3311
NSN 6150-01-564-6021
NSN 6240-00-129-6653
NSN 6145-00-008-1834
NSN 6220-01-279-1331
NSN 6105-01-206-5415
NSN 5990-01-384-9747
NSN 5910-01-382-1062
NSN 5950-00-492-6224
NSN 5895-00-209-9766