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 6110-00-071-1256
NSN 6135-00-411-3171
NSN 5915-01-447-7057
NSN 4140-01-382-9283
NSN 5960-01-089-8155
NSN 6650-01-389-5862
NSN 5950-00-001-1899
NSN 5990-00-707-0731
NSN 6620-00-309-9920
NSN 6135-01-222-0703
NSN 5950-00-350-2825
NSN 5925-01-634-0664