This fuel drain valve is designed as a direct replacement for the Auto Valve F391 series, featuring fine and tapered threads for secure sealing. It locks in the open position for easy draining, is flush-mounted, and constructed with fuel-resistant materials. The valve is rebuildable and meets FAA and TSO-C76 standards.
The McFarlane Valve, Fuel Drain, 7/16-20, part number SA53S, is engineered for precision and reliability as a direct replacement for the Auto Valve F391 series. This valve features UNF (fine thread) and NPT (tapered thread) types, ensuring secure sealing with O-rings. It locks in the open position for easy draining and is flush-mounted to the aircraft skin. Constructed with fuel-resistant Viton O-rings, this valve is FAA and TSO-C76 approved, providing a dependable solution for fuel management. All valves are rebuildable for extended service life.
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