KQ2 H 06 01 A P One-touch fittings Model Face seal Port size/Applicable tubing O.D. Applicable tubing O.D. Symbol Size 23 o3.2 04 o4 06 o6 08 o8 10 o10 12 o12 16 o16 Symbol Size Thread connection 01 R1/8, Rc1/8 02 R1/4, Rc1/4 03 R3/8, Rc3/8 04 R1/2, Rc1/2 Symbol Model H Male connector S Hexagon socket head male connector L Male elbow LU Male branch connector K 45° male elbow V Universal male elbow VS Hexagon socket head universal male elbow VF Universal female elbow VD Double universal male elbow VT Triple universal male elbow Z Branch universal male elbow ZF Branch universal female elbow ZD Double branch universal male elbow ZT Triple branch universal male elbow W Extended male elbow T Male branch tee Y Male run tee D Male delta union U Branch “Y” UD Double branch “Y” N Adapter How to Order Thread material/Surface treatment Symbol Thread material/Surface treatment A Brass N Brass + Electroless nickel plated Threaded Type 74 Metric Size One-touch Fittings Series KQ2 Applicable Tubing: Metric Size, Connection Thread: R, Rc 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