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 5950-00-104-5908
NSN 4140-01-108-7731
NSN 6220-01-234-9151
NSN 2925-00-732-2237
NSN 6320-01-544-6447
NSN 6610-01-492-6515
NSN 5950-01-132-9125
NSN 2925-00-839-6815
NSN 6240-00-272-8601
NSN 5895-01-534-1431
NSN 6150-00-846-0215
NSN 4140-00-501-7833