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 5930-01-156-9254
NSN 7035-01-158-8860
NSN 5855-01-381-6048
NSN 4140-01-370-4075
NSN 6610-00-807-6620
NSN 5910-01-101-4391
NSN 6130-00-399-0729
NSN 5905-01-337-9939
NSN 7035-01-065-8703
NSN 4140-00-285-6042
NSN 5945-01-219-1965
NSN 5975-00-007-9010