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 6105-01-178-3290
NSN 5996-01-556-9481
NSN 6685-01-060-6688
NSN 5895-01-342-3968
NSN 5895-01-562-8109
NSN 6130-01-659-4149
NSN 6620-00-485-4136
NSN 6105-00-664-1292
NSN 5915-01-244-3616
NSN 5915-01-255-6907
NSN 6145-00-008-1834
NSN 6135-01-333-2540