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 5935-00-492-9676
NSN 6650-00-153-9239
NSN 5999-01-597-6264
NSN 4140-01-442-2435
NSN 5965-01-443-3000
NSN 4140-01-426-8428
NSN 7035-01-129-7834
NSN 5920-00-314-5313
NSN 6650-01-099-4340
NSN 6610-01-314-7964
NSN 5930-01-332-8471
NSN 6220-00-397-6910