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 5915-01-555-8852
NSN 5910-00-314-7102
NSN 5950-00-998-2110
NSN 5998-01-306-9009
NSN 5998-01-544-8281
NSN 6150-00-037-5118
NSN 6620-01-411-5750
NSN 5915-01-228-6739
NSN 4140-01-453-2493
NSN 5895-01-004-0650
NSN 6220-00-473-9122
NSN 6320-01-056-1164