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 6135-01-286-9563
NSN 5915-00-203-2859
NSN 5999-00-278-5563
NSN 6110-01-485-0276
NSN 5835-01-370-4292
NSN 5935-01-440-8627
NSN 6620-01-461-6187
NSN 5960-01-074-6110
NSN 6220-01-224-5850
NSN 5960-00-233-7537
NSN 6130-01-623-7484
NSN 6685-01-072-1955