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 5990-00-538-7962
NSN 6135-00-906-0984
NSN 6150-01-511-0331
NSN 6150-01-209-4411
NSN 6110-01-521-3725
NSN 5925-00-394-6894
NSN 5950-01-363-4098
NSN 6240-01-211-4507
NSN 5915-01-361-7702
NSN 5998-01-246-1023
NSN 5999-01-520-4769
NSN 6150-00-148-8515