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 6240-01-381-6815
NSN 6610-01-549-8006
NSN 5905-01-472-3566
NSN 5985-00-294-4961
NSN 5835-00-170-5238
NSN 6130-01-319-6500
NSN 5985-01-615-0739
NSN 5855-00-779-2854
NSN 5975-01-227-2722
NSN 5996-01-558-7286
NSN 6650-01-437-6279
NSN 6150-01-530-8289