This series of couplers are the most common quick connect couplers used in the agriculture, construction and logging industries. They are interchangeable with all ISO 5675 series including ball seat valve, poppet seal, push-pull couplings. ISO Body Size : 3/4. Port Thread: 1 NPT. This 3/4 coupler connects to its female equivalent. Benefits: General purpose. Agriculture poppet type. Radial locking balls. Manual connect and disconnect. Easy single-handed push-connect design. Nipple seal resists blow-outs. Interchangeable with other ISO 5675 standard couplings. Features: 5100 PSI Rating. 52 GPM Max Flow. 28 GPM Nominal Flow Rate. Male Face Diameter: 1.18 (30mm). Male Length: 3.19 (81mm). Hex: 1.61 (40.89mm). Includes: 1 Male Coupler.