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 4140-01-364-1104
NSN 6240-01-426-5581
NSN 5998-00-836-4255
NSN 7035-01-154-0796
NSN 6610-00-955-6118
NSN 5996-00-809-4537
NSN 6220-01-059-1393
NSN 6650-01-433-1911
NSN 6685-01-627-3191
NSN 7035-01-444-4240
NSN 5835-01-162-8353
NSN 2925-00-564-1692