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 5960-01-318-0987
NSN 6620-01-521-5820
NSN 5910-01-281-6964
NSN 6145-01-081-1073
NSN 5920-00-378-1395
NSN 5935-01-358-8181
NSN 6650-01-202-9143
NSN 5975-01-333-7962
NSN 5965-01-121-2511
NSN 5930-00-969-3916
NSN 5985-01-051-1663
NSN 5935-01-069-3456