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 5975-01-231-9669
NSN 4140-01-332-3734
NSN 4140-01-611-7795
NSN 5990-00-607-6210
NSN 5975-01-512-0179
NSN 5985-01-578-0961
NSN 2925-00-808-5077
NSN 6150-01-459-5066
NSN 6150-01-276-8271
NSN 5999-01-369-4218
NSN 6320-01-089-9086
NSN 5965-00-300-8055