Both bearing surfaces serrated raised rib on both sides on inner and outer periphery
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
Classification: Spring washers and other lock washers, iron or steel
NSN 5960-01-218-2858
NSN 5990-01-364-1942
NSN 6220-01-238-1609
NSN 5975-01-476-3105
NSN 6105-01-310-8159
NSN 2925-01-231-6312
NSN 5975-01-497-5371
NSN 5895-01-231-9895
NSN 6650-01-422-1037
NSN 5960-01-328-8248
NSN 6110-00-060-3343
NSN 5998-01-205-8175