Part# 05-15064
MFR Model# F50-180
Mfg. No.Engine App.ThreadPart No.
F50-180 - StraightLycoming, Continental,
Pratt & Whitney, Franklin


Low Profile, Two-Piece Oil Drain Valves
This valve is the perfect choice for a close clearance engine oil drain application such as on the Piper Arrow. These low profile oil drain valves are designed to clear retractable landing gears and other restrictions. The valve is very affordable and can be rebuilt. It is a simple procedure to sample or drain hot oil. Merely screw on the opener adapter and slightly open the valve for a sample, or fully open for complete drainage. The valve is made from 360 brass and 302 stainless steel. FAA & PMA APPROVED.

Each valve comes with a F50-180 Straight Opener. F50-90 Bent Opener sold separately.

California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -

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Very please with the Oil Drain Valve, I order the valve on Tuesday morning and was told that I was in the next day shipping range, and charged $$ for the fast shipping. Well I did get the item the next day, late afternoon,(after 5 PM) so it didnt do me any good to pay the extra to get it the next day since I could not was tied up that night and the next day. not sure Ill use the Next Day Service again.

Ken G
January 20, 2020

Not much to not like. Appears to be solid brass, comes in 2 pieces (center drain hose section, outer knurled threaded piece) Price is reasonable and appears it will last till you lose it. I used a small tie wrap on the center section so it cannot fall out but the drain hose can still slide on fine.

Scott M
July 22, 2017

I had a problem with one of these sticking shut whenever it was tightened into the engine. Its pretty old, so I e-mailed Saf-Air to ask if this was a normal failure mode with age, or if it just needed to be rebuilt (these are rebuildable). They said It shouldnt do that, and they sent me a new one free of charge! Talk about a company that stands behind their product. In addition to the great customer service, its a great product. Connect a short hose to the opener, and you can drain oil directly into a jug without spilling a drop. It seems a bit pricey, but if you do your own oil changes, its definitely worth it.

March 18, 2017

This company is awesome. Contacted them about a part needed for one of their valves and they sent part out free of charge. Excellent service and they even go the extra mile. I recommend their products to everyone.!

Djs A
April 15, 2015


Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the part number for a replacement o-ring for the F50 Saf-Air oil drain valve?

The replacement O-Ring would be Part # MS28775-109.

Q: What is the part number for a replacement O-ring for your F62 5/8 x 18 Saf-Air oil drain valve?

It uses the MS28775-011 O-ring.

Q: Does the f50-180 come with the purchase of an f62 drain valve?

Yes, the F62 valve comes with the F50-180.

Q: What are the dimensions of the drain plug F50?

It is 1/2 NPT.

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