Page 1 of 5 123 ... LastLast
Results 1 to 10 of 48

Thread: Gas Key Sealant

  1. #1
    Join Date
    Dec 2015
    Location
    The New Dark Age
    Posts
    1,466
    Feedback Score
    0

    Gas Key Sealant

    There seems to be no industry standard gas key sealant. The TM manual I have does not say either.
    http://pdf.textfiles.com/manuals/MIL...4%20manual.pdf
    Big brother is watching...and listening.

  2. #2
    Join Date
    Aug 2016
    Location
    Alabama
    Posts
    584
    Feedback Score
    1 (100%)
    Other than info stating to fire a few to let carbon act as a sealant, this is the only one I've ever seen to reference Permatex.


  3. #3
    Join Date
    Dec 2015
    Location
    The New Dark Age
    Posts
    1,466
    Feedback Score
    0
    Thanks!
    Big brother is watching...and listening.

  4. #4
    Join Date
    Aug 2016
    Location
    Alabama
    Posts
    584
    Feedback Score
    1 (100%)
    You bet.

  5. #5
    Join Date
    Aug 2011
    Location
    E. Tennessee
    Posts
    2,201
    Feedback Score
    6 (100%)
    SOTAR has a couple of YT videos that talk about it. I think he uses some sort of shellack.

    Check out his video here:
    https://youtu.be/GCFAtcV1c8k
    Last edited by hotrodder636; 04-19-21 at 06:56.
    ETC (SW/AW), USN (1998-2008)
    CVN-65, USS Enterprise

  6. #6
    Join Date
    Apr 2009
    Location
    Dallas, TX
    Posts
    2,372
    Feedback Score
    2 (100%)
    as with other things in life... I go in dry...

  7. #7
    Join Date
    Oct 2011
    Location
    Utah
    Posts
    978
    Feedback Score
    0
    I believe you would be more likely to create a problem than solve one using a sealant. A thin shellac would be better than a thicker gasket sealant though.

    Since using nothing works, I'll stick with that.

    ETA: I don't have my notes with me from Will's class. I'm in Prescott, AZ this week. I seem to recall him saying machine tolerance should be enough. I can update when I get home. Assuming I remember, before I head to Denver Monday night. Attending his armorers class (which I considered very good instruction) is as close as I come to being an honest mechanic. I generally go with the title "shadetree gun butcher" just to keep myself honest.
    Last edited by utahjeepr; 04-19-21 at 15:29.
    Not high speed, low drag. More like ten under, blinker on.

  8. #8
    Join Date
    Dec 2012
    Posts
    1,096
    Feedback Score
    0
    I've sealed and not sealed and never had a problem either way. If I was to build a BC today, I would not use sealant.

  9. #9
    Join Date
    Sep 2007
    Location
    AZ
    Posts
    27,398
    Feedback Score
    14 (100%)
    I haven't done a key install in years. But I lap the surface and was using some rockset on a few. I think someone said rockset was not a good idea, but I never had any leakage issues.
    Last edited by markm; 04-19-21 at 17:24.
    "You people have too much time on your hands." - scottryan

  10. #10
    Join Date
    Dec 2015
    Location
    The New Dark Age
    Posts
    1,466
    Feedback Score
    0
    I reached out to BCM, Sionics, Toolcraft, and Aim Surplus. They all report using Permatex Aviation Form A Gasket.
    I then contacted Permatex. Permatex Aviation Form A Gasket 80017 and 80019 are the same product. 80017 is 16oz. and 80019 is 4oz. The 3D was an old numbering system that is no longer used.
    Big brother is watching...and listening.

Page 1 of 5 123 ... LastLast

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •