102 Metric Size Uni One-touch Fittings Series KQ2 Applicable Tubing: Metric Size, Connection Thread: Rc, G, NPT, NPTF Inch Size Uni Metric Size Uni Inch Size R Inch Size NPT Metric Size R, Rc Metric Size G Inch Size M, R, Rc Inch Size UNF, NPT Metric Size M, R, Rc Gasket Seal Face Seal Sealant/Gasket Seal KQ2 H 06 U01 A One-touch fittings Model Thread material/Surface treatment Applicable tubing O.D. Port size KQG U01 Gasket for Uni One-touch fittings Applicable port size How to Order Gasket Spare Parts How to Order Symbol Size U01 Uni1/8 U02 Uni1/4 U03 Uni3/8 U04 Uni1/2 Symbol Size Thread connection U01 Uni1/8 U02 Uni1/4 U03 Uni3/8 U04 Uni1/2 Symbol Size 04 o4 06 o6 08 o8 10 o10 12 o12 16 o16 Symbol Thread material/Surface treatment A Brass N Brass + Electroless nickel plated Symbol Model H Male connector S Hexagon socket head male connector L Male elbow K 45° male elbow V Universal male elbow T Male branch tee W Extended male elbow Y Male run tee U Branch “Y” Threaded Type