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Thread: Steve's Gascolator O-ring P/N

  1. #1
    CaptFox's Avatar
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    Steve's Gascolator O-ring P/N

    Does anybody have handy the corrrect O-ring P/N for the Steve' Aircraft Gascolator SA3-00 assembly.

    If not I'll have to call them tomorrow to find out.

    Thanks.

    David.

  2. #2
    pthfndr's Avatar
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    Just received my SA3-00 in the mail today.

    The drawing says "O-RING 41 X 2 MM VITON 75 OR EQUIVALENT"

    At least I think the units are "MM".

  3. #3
    Steve's Aircraft (Steve)'s Avatar
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    The "0" ring is a 41x2 metric. I know, I know, why a metric. It happened because of sizing. In designing this unit we had a physical dimension of a previous bracket to fit it all in and still have some structural integrity. In order to leave enough metal in the groove area we were limited to our choices. In the AN ring sizes, the next larger ring was to large, not enough metal left, the next size smaller was to small, not enough sealing crush to the ring. The diameter of ring needed turned out to be the 41x2 metric. I found that these are readily available in most hydraulic / bearing type stores, and on the internet under "0" rings. A third requirement we wanted was a compound that could resist all known fuels, including alcohol in auto fuel. The Viton 75 compound is supposed to do that. The FAA approved the unit using that "0" ring. It was a heavy debate around here about that size, and I personally have some reservations, but they are a size available.
    Please contact me if you have problems locating a ring.
    Steve,
    Steve's Aircraft.

  4. #4
    behindpropellers's Avatar
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    Quick Source for the O-Ring:

    www.mcmaster.com

    Great having this place down the street from where I work! The worlds most complete hardware store!

    Tim

    PS Of course I take a look and they do not have it in VITON.....

    Steve- Will a 42mm ID work?

  5. #5
    Steve's Aircraft (Brian)'s Avatar
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    Behindpropellers

    I just called McMaster Carr and found that they can get the O-Ring in a VITON but do not carry it in stock. Here is their part number.

    9262K999

    We buy them in quantities of 500 from www.allorings.com and sell them now at $1.00 each. The price fluctuates with each order though.

    42 MM will probably lock up your bowl and make it extremely difficult to remove from the cover.

    Brian

  6. #6
    CaptFox's Avatar
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    Thanks for the info, now I just need to find some...

    Brian, I sent you an e-mail.

    Thanks.

    David.

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