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 5935-00-028-4139
NSN 2925-00-925-0545
NSN 6150-01-140-2136
NSN 6110-00-468-6897
NSN 5835-01-373-3498
NSN 5950-01-178-0838
NSN 6135-01-153-8027
NSN 6610-01-619-9156
NSN 6145-01-433-5511
NSN 6135-01-032-8887
NSN 5920-00-721-0721
NSN 5998-01-468-5063