Product Information Material: Nickel Plated Brass Seal: Buna-N D-seal Male Thread: BSPP Select a Product Part NumberMale Thread SizeTube OD 310106131/4"6 mm 310108101/8"8 mm 310106101/8"6 mm 310104101/8"4 mm 310110131/4"10 mm 310108131/4"8 mm