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 5998-01-205-8431
NSN 6220-01-031-6918
NSN 5985-01-457-4049
NSN 6130-01-376-1625
NSN 6620-00-834-9430
NSN 5996-01-601-7947
NSN 6220-00-115-2909
NSN 5905-01-391-5673
NSN 5960-01-114-8152
NSN 5835-00-733-9145
NSN 5915-01-441-2238
NSN 6110-00-903-6481