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 5910-00-678-0671
NSN 5998-00-484-6943
NSN 5999-00-525-4320
NSN 6610-01-125-4821
NSN 5999-01-177-9194
NSN 5950-01-446-6484
NSN 5975-01-406-0046
NSN 6240-00-237-7878
NSN 7035-01-411-2900
NSN 5999-00-226-4703
NSN 5920-00-355-4736
NSN 6130-00-807-4367