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 6320-01-271-0247
NSN 5990-00-212-4316
NSN 5998-00-456-0864
NSN 5996-00-416-8877
NSN 5920-00-250-4731
NSN 2925-00-066-9700
NSN 6620-01-244-3425
NSN 5998-00-285-8613
NSN 6650-00-064-7199
NSN 6220-01-495-1037
NSN 6130-01-605-0134
NSN 4140-00-555-2579