Pneumatic Universal Interchange Female Coupler SKU Body Size Threads Material Length OD Hex Inch HFUC-251-4FP 1/4 1/4-18 NPT Brass 2.32 0.92 3/4 HFUC-251-6FP 1/4 3/8-18 NPT Brass 2.32 0.92 3/4 HFUC-371-6FP 3/8 3/8-18 NPT Brass 2.54 1.09 15/16
