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 5950-01-624-0491
NSN 6610-00-905-6780
NSN 5998-01-436-6034
NSN 5998-01-018-8734
NSN 6240-01-531-7509
NSN 5985-01-375-3143
NSN 5925-01-437-8542
NSN 5950-00-504-9408
NSN 6220-01-277-9339
NSN 6110-00-066-6064
NSN 5999-01-370-4184
NSN 6685-01-224-5590