THREAD: AS8879
MATERIAL: Alloy steel, heat threated.
FINISH: Cadmium plated per NASM25027 to meet the salt spray requirments of Fed, Spec. AMS-QQ-P-416, Type II, plating. Kaylube molybdenum disulfide dry lubricant coated per AS5272, Type I after plating.
PROCUREMENT SPEC: NASM25027 except axial tensile strength as tabulated, is equivalent ot 160 000 PSI, at the pitch diameter: and will be obtained when tested on bolts or screws having a minimum tensile strength of 180 000 PSI, and wrench torque applied with standard socket upgraded to 160 000 PSI.
TEMPERATURE RANGE: To 450°F.
MISALIGMENT: Up to 8° in any direction from centered position when seated on mating K19301 washer.