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 6620-00-239-6153
NSN 6685-01-197-9638
NSN 5950-01-386-5845
NSN 6620-01-335-2443
NSN 5855-00-149-0766
NSN 6620-01-167-0881
NSN 5950-01-486-4907
NSN 6610-00-264-0961
NSN 5930-01-209-9699
NSN 5965-01-483-1395
NSN 2925-01-408-6205
NSN 5965-00-150-1144