Used on aircraft. 2a 2nd end thread class 24 all ends thread quantity per inch fitting assembly, tee, beam seal, retained nut on run; navy coupling, boss gasket surface/wall thickness is .060 inch; beam seal connections (boss) unjs all ends thread series
Used on hydraulic pump test rig. MS24401J16, elbow-blared tube 90 degree 16 size (1 inch) stainless steel modified by adding a -4 (0.25 inch) npt port to the side of the fitting