Product Information Material: Nylon/Nickel Plated Brass Seal: Buna-N D-seal Male Thread: BSPT Select a Product Part NumberMale Thread SizeTube OD 310904131/4"4 mm 310910173/8"10 mm 310906101/8"6 mm 310904101/8"4 mm 310908101/8"8 mm 310908131/4"8 mm 310908173/8"8 mm 310910131/4"10 mm 310906131/4"6 mm