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. This 3/8 female coupler connects to its male equivalent. Thread Size: 3/8 NPT Thread, Poppet Valve. Body Material: Brass material for corrosion resistance. Spring Material: 304 Stainless Steel. Locking Ball Material: 316 Stainless Steel. Self Sealing Poppet Valve Seals Excellent Under High and Low Pressures Sea.l Type: Viton FKM. Temperature Range: -15°F to +400°F. Features: 3600 PSI Rating. 14,500 PSI Burst Rating (Coupled). Nominal Flow Rate: 6.08 GPM. Max Flow Rate: 12.15 GPM. Female Face Diameter 1.38 (35mm). Female Length: 2.57 (65mm). Hex: .86 (22mm). Includes: 1 Female Coupler.