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 5960-01-415-3574
NSN 6135-01-584-0941
NSN 5920-00-125-1316
NSN 6645-00-300-0401
NSN 4140-01-441-8568
NSN 6650-01-028-7024
NSN 6650-01-553-2805
NSN 6620-01-458-8074
NSN 6145-00-213-9181
NSN 5910-01-165-1882
NSN 5996-01-104-4161
NSN 5835-00-463-6699