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 5905-01-144-5570
NSN 6130-01-179-5968
NSN 6685-01-647-7733
NSN 6685-01-152-1212
NSN 5975-00-765-4271
NSN 5905-01-651-4383
NSN 6220-00-061-3487
NSN 5950-00-823-7799
NSN 6130-00-655-3084
NSN 6610-00-947-7595
NSN 5975-01-399-0655
NSN 5835-01-039-9973