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 5996-01-469-3140
NSN 5905-01-537-6334
NSN 5960-01-381-8475
NSN 6620-00-992-5876
NSN 5910-00-772-5710
NSN 6645-00-255-1369
NSN 6220-00-775-2384
NSN 6105-01-065-0341
NSN 5998-01-132-2450
NSN 6240-01-296-7404
NSN 6685-01-147-0960
NSN 5855-01-247-9666