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 6650-01-548-7915
NSN 6620-00-235-4938
NSN 6610-01-168-7943
NSN 5990-01-231-9608
NSN 5910-01-658-1374
NSN 5835-00-505-2516
NSN 5855-01-100-3272
NSN 5975-00-812-9155
NSN 5945-01-119-8402
NSN 5910-00-585-0361
NSN 5895-01-100-1784
NSN 5998-01-192-2420