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 6240-00-398-0740
NSN 5910-01-581-9572
NSN 6685-01-033-1606
NSN 6135-01-142-6456
NSN 6105-00-130-1473
NSN 5975-01-212-2761
NSN 5965-00-961-1627
NSN 6610-00-382-0266
NSN 4140-00-596-4726
NSN 5999-01-388-4424
NSN 5915-01-090-3191
NSN 5920-00-185-6664