Universal, AN Fitting, Male -10AN Steel Weld Bung (7/8-14 SAE Thread; 1-1/8" Flange OD), Male -10AN Steel Weld Bung (7/8-14 SAE Thread; 1-1/8" Flange OD), STEEL WELD BUNGS, Weld Bungs, Vibrant Performance male AN bungs are available in both aluminum & mild steel and range from -4 to -20 AN thread sizes., -10ANMaleMSWeldBung.