Standard
Areas for Calculating Stress or Load Values for Metric MJ Externally Threaded Fasteners
2018-08-23
HISTORICAL
MA1520A
Areas for the standard metric series of thread diameter-pitch combinations for aerospace externally threaded fasteners are established for the following conditions: a Area for ultimate shear stress or load in unthreaded shank. b Area for ultimate tensile stress or load in thread. c Area for stress durability test load in thread. d Area for stress-rupture test load at elevated temperature. e Area for tension-tension fatigue test load.