Has thread lubricant applied to bearing surfaces. It is split.
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 5960-00-825-2857
NSN 7035-01-100-9295
NSN 5915-00-336-1644
NSN 5935-01-217-6123
NSN 5910-01-397-9857
NSN 6610-01-122-0064
NSN 6320-00-242-0626
NSN 6150-00-845-0874
NSN 5999-00-131-9748
NSN 5996-01-174-9166
NSN 6110-00-068-0786
NSN 6110-00-269-2696