Size: 3/8 Body with 3/8 NPT Thread. This 3/8 coupler connects to its male equivalent . We also carry a complete set, including a single male and single female coupler. Benefits: Flush face valve design minimizes fluid loss and air inclusion. Zinc-nickel plating provides superior corrosion resistance. Hardened steel construction with hardened sleeves. Allows for minimal pressure drops Locking sleeve helps prevent accidental disconnects. Nipple seal resists blow-outs. Interchangeable with other ISO 16028 standard couplings. Features: 5,076 PSI rating. 12.12 GPM Max Flow Rate. 6.08 GPM Nominal Flow Rate. Buna-N Seals with Teflon backup ring can operate up to 250° F. Female Face Diameter: 1.26 (32mm). Female Length: 2.89 (118mm). Hex: 1.18 (30mm). Includes: 1 Female Coupler.