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 6220-01-200-3410
NSN 5990-01-071-8510
NSN 5915-01-180-2870
NSN 6620-00-273-8735
NSN 5985-00-581-2820
NSN 2925-01-480-3351
NSN 6240-01-603-0143
NSN 6685-01-188-7379
NSN 5930-01-599-0272
NSN 5990-01-090-3232
NSN 5950-01-351-9728
NSN 5965-01-534-6396