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 5999-00-617-3780
NSN 6320-01-578-6006
NSN 5965-00-378-3403
NSN 6150-01-156-9520
NSN 6610-01-500-9107
NSN 5950-00-509-9072
NSN 5985-00-170-8536
NSN 5920-01-320-9744
NSN 6645-00-838-6939
NSN 5935-01-490-7806
NSN 5975-01-401-5355
NSN 6645-01-467-9983