MATERIAL: Alloy Steel - Hardness 43 HRC max.
FINISH : Cadmium Plate per AMS QQ-P-416, Type II, Class 3 (bake at 375° F for 23 hours after plating) plus cetyl alcohol lube per EN6117.
MARKING: ABS0577-ø -SD in accordance with EN 2424 – category A, on the area indicated on the drawing.
PERFORMANCE : NASM-25027 Except locking torque performance, which is to be 5 unloaded cycles at room temperature and after bake at 450°F
THREADS: In accordance with AS-8879 before lubrication.
Contact Howmet for the diameter/type in manufacturing.