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 5930-01-235-2975
NSN 2925-00-629-7641
NSN 5920-01-400-3562
NSN 6135-01-127-0173
NSN 6610-00-484-9964
NSN 4140-01-448-3132
NSN 6610-01-538-4660
NSN 6685-01-451-6916
NSN 6610-00-227-8846
NSN 6620-01-226-1013
NSN 6620-00-273-8735
NSN 6150-00-247-0074