3a 2nd end bulkhead thread class 12 2nd end bulkhead thread quantity per inch anodized light gray anodize surface treated un 2nd end bulkhead thread series
Used on truck tractor 2-1/2 ton 8x8 m746,stratofortess,b-52 aircraft application. 2a all ends thread class cadmium surface treated unf all ends thread series
3a 2nd end thread class precious metal, gold, weight, 0.0014 pound per elbow, gold brazing ring located on first end passivate inside surface treated unjf 2nd end thread series
