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 5920-00-654-9727
NSN 4140-00-339-1514
NSN 5960-01-170-4057
NSN 2925-01-215-5022
NSN 6150-01-150-1987
NSN 6685-01-490-3189
NSN 5915-00-420-1557
NSN 6650-01-508-3651
NSN 5855-00-058-1293
NSN 6610-00-117-4624
NSN 5998-00-354-7279
NSN 6220-01-273-3896