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 5835-01-507-0731
NSN 5930-01-625-4876
NSN 5920-01-322-2572
NSN 5895-01-634-0630
NSN 6130-00-106-1227
NSN 6610-01-098-6884
NSN 5985-01-614-1968
NSN 6610-01-556-2353
NSN 2925-01-037-5383
NSN 5965-01-241-0553
NSN 5975-01-131-8218
NSN 6685-01-335-6871