M20150 SAF-AIR Aircraft Lock Open Oil Drain Valve (20-1.50 MM) | McFarlane Aviation

Please use the replacement valve eligibility pages the McFarlane Aviation catalog below to confirm the M20150 oil drain valve’s compatibility with your aircraft.

• SAF-AIR Fuel Drain Valve Installation and Maintenance Instructions (PDF)
• Fuel system parts section of McFarlane Aviation, Inc. catalog (PDF)

Changing hot engine oil has never been easier! No wrench is needed to remove the drain plug. A simple push and turn locks it in the open position. Manufactured from anodized aluminum and stainless steel components, providing strength and durability.

• Thread: 20-1.50MM
• Locking: Yes
• Open Action: Push
• Material: 2011 Aluminum, 302 Stainless
• FAA-PMA Approved
• Push and turn to lock open
• Effortless operation with sure grip knob
• Double sealed to prevent leakage
• Manufactured by SAF-AIR Products, Inc.

Thread: “UNF” (Fine thread) type are straight, non-sealing threads that rely on an O-ring to provide a seal. “NPT” (Pipe thread) type are tapered thread that seal as they are tightened. Others are metric threads. Measure the O.D. of the thread on the valve you are replacing and compare to the thread specifications table to determine the correct thread size.
Open Action: “Spiral” valves require a push and turn action to open. “Push” valves require a push action to open.
Hose Adapter Size: A hose may be attached to the valves for ease of draining. The size indicated is the hose I.D.