Male Pushlock Connector A straight brass male connector. Straight connectors have an interior hex for Allen key tightening where space is limited, no need to use a wrench. This fitting is suitable for use up to the maximum working pressure of the plastic tubing used. The self-contained assembly has no loose parts, brass body and insert and features NPTF with Teflon-based sealant pre-applied to the threads. Quick connect fittings simply push tubing in, no tools necessary. Details: Max temp: 200 degrees F Reusable Easy to connect and disconnect Buna-N seals Inlet: 3/8" Tube OD Outlet: 1/4" Male NPTF Hex: .56"