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 5990-01-417-4402
NSN 2925-01-187-5480
NSN 5950-01-064-1645
NSN 5855-01-180-5369
NSN 5835-00-358-4235
NSN 6130-01-014-4588
NSN 5905-00-681-9624
NSN 5945-00-369-1585
NSN 5975-01-123-9111
NSN 4140-01-342-4703
NSN 6105-00-664-1292
NSN 5960-01-154-3719