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 6620-01-159-4330
NSN 6650-01-426-4253
NSN 6145-01-597-8005
NSN 5998-01-221-2168
NSN 5915-01-545-2232
NSN 6620-00-624-7169
NSN 5996-01-534-7302
NSN 5999-01-517-4054
NSN 5945-01-408-5829
NSN 5910-01-149-6526
NSN 5990-01-068-1651
NSN 5960-01-315-6993