Image Push-In Union Elbow Markets Transportation Jump to Section Product Options Related Products Product Options Part Number Tube OD Material 654 1/8" Forged Brass 655 5/32" Forged Brass 658 1/4" Forged Brass 6512 3/8" Forged Brass 6516 1/2" Forged Brass Related Products Image Nylon Tubing Image Polyurethane Tubing Image Push-In Female Connector Image Push-In Male Connector Image Push-In Union Image Push-In Union Tee