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 6620-00-902-5090
NSN 5915-01-375-8744
NSN 5905-01-094-0289
NSN 5915-01-034-4868
NSN 6135-01-324-7718
NSN 5965-01-540-6454
NSN 5975-01-188-7460
NSN 6150-01-420-7850
NSN 5935-00-739-2282
NSN 5835-00-958-6231
NSN 6685-01-158-5454
NSN 6645-00-410-2395