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 5895-01-506-2478
NSN 4140-01-290-7900
NSN 6135-01-286-9563
NSN 5996-00-084-1232
NSN 5975-01-377-7921
NSN 5960-01-381-2478
NSN 5920-01-213-6537
NSN 6685-01-610-7191
NSN 5998-01-217-6851
NSN 6130-00-013-7866
NSN 5935-01-451-3521
NSN 6105-00-620-4521