The ISO 7241 B Series of quick disconnect couplers are used on a large spectrum of hydraulic applications with strenuous quality standards such as the aerospace, automotive, electronics industries. They are also recommended for general purpose, machine tools, mobile hydraulics, and other equipment applications. Our Series B couplers are interchangeable with all ISO 7241 B series couplings. Body Size: 3/8 Body. Thread Size: 1/2 SAE Thread, Poppet Valve. This 3/8 coupler connects to its female equivalent . We also carry a complete set, including a single male and single female coupler. Features: Hardened Stee.l Self Sealing Poppet Valve Seals Excellent Under High and Low Pressures. Interchangeable with all ISO 7241 B series couplings. 3600 PSI Rating. 14,500 PSI Burst Rating (Coupled). Male Face Diameter: 0.75 (19mm). Male Length: 1.67 (42.5mm). Male Hex: 0.86 (22mm). Included: Male Coupler.