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 5910-00-915-9247
NSN 5935-00-149-1485
NSN 5965-00-630-7872
NSN 5950-01-391-5647
NSN 6645-01-072-6077
NSN 5990-01-582-1977
NSN 6620-01-622-4980
NSN 5935-01-410-9933
NSN 5996-00-912-5030
NSN 6620-01-374-5787
NSN 4140-00-182-9158
NSN 5935-01-364-2647