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 6685-01-261-0711
NSN 5999-01-444-2775
NSN 5998-00-153-9989
NSN 5990-01-322-9781
NSN 5855-01-329-6087
NSN 5835-00-286-5432
NSN 4140-01-146-4474
NSN 5960-00-334-4954
NSN 5855-01-634-0259
NSN 6145-00-951-2327
NSN 5905-01-512-8137
NSN 5935-01-369-3887