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 6620-00-643-1402
NSN 5930-01-144-9567
NSN 6620-01-151-9590
NSN 6105-01-370-8637
NSN 6650-01-381-2972
NSN 5895-00-967-6307
NSN 6240-01-416-2333
NSN 5999-00-487-4261
NSN 5998-00-418-8835
NSN 6145-01-170-2318
NSN 5990-00-519-6278
NSN 6135-01-397-6564