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 5920-01-504-7897
NSN 6135-00-708-0892
NSN 6105-00-152-9659
NSN 5895-01-384-9826
NSN 5998-00-275-2145
NSN 5965-00-567-7679
NSN 5985-01-363-9506
NSN 6145-00-948-6412
NSN 5998-01-599-1918
NSN 6610-01-487-4626
NSN 6145-00-900-1851
NSN 6685-01-458-1434