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#1
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structural stainless steel tank screws needed for PA-32-300
Does anyone have a source and part number for Stainless Steel
structural screws for the fuel tanks on my 1972 Cherokee 6-300? Spruce, Wag, etc. have them but they are not structural. |
#2
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Spruce has them MS27039
Mike MU-2 "Dave" wrote in message m... Does anyone have a source and part number for Stainless Steel structural screws for the fuel tanks on my 1972 Cherokee 6-300? Spruce, Wag, etc. have them but they are not structural. |
#3
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Does anyone have a source and part number for Stainless Steel
structural screws for the fuel tanks on my 1972 Cherokee 6-300? Spruce, Wag, etc. have them but they are not structural. If Spruce or Wag Aero are advertising them as stainless steel fuel tank screws, they are structural. We replaced ours last year; I think I got 'em through Spruce... -- Jay Honeck Iowa City, IA Pathfinder N56993 www.AlexisParkInn.com "Your Aviation Destination" |
#4
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Does anyone have a source and part number for Stainless Steel
structural screws for the fuel tanks on my 1972 Cherokee 6-300? Spruce, Wag, etc. have them but they are not structural. D&D Aircraft Supply of Hampton, NH has kits for the Piper tanks in stainless. These are definitely structural screws. I have asked them about it before. Some of the PA 32 series (The retract models) have flush screws in the tanks and D&D says that they have not found a flush structural screw in stainless of sufficient strength for that application. John Dupre' |
#5
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I had a Turbo Lance (PA32RT-300T) and it did not have flush screws.
Mike MU-2 "JDupre5762" wrote in message ... Does anyone have a source and part number for Stainless Steel structural screws for the fuel tanks on my 1972 Cherokee 6-300? Spruce, Wag, etc. have them but they are not structural. D&D Aircraft Supply of Hampton, NH has kits for the Piper tanks in stainless. These are definitely structural screws. I have asked them about it before. Some of the PA 32 series (The retract models) have flush screws in the tanks and D&D says that they have not found a flush structural screw in stainless of sufficient strength for that application. John Dupre' |
#6
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(Dave) wrote in message om...
Does anyone have a source and part number for Stainless Steel structural screws for the fuel tanks on my 1972 Cherokee 6-300? Spruce, Wag, etc. have them but they are not structural. MS27039 are available from gen-aviation-hardware (http://www.gen-aircraft-hardware.com/) in alloy steel, CRES (stainless), or beryllium-copper structural. They are full tension rated structural screws and have a full sized head. AN 525 are structural but I think only available in alloy steel. AN 525 are shear screws and are only rated at 50% of the tension load as MS 27039 screws. However they have a low profile head and look nicer once installed. They are available from Spruce and Chief and others I am sure. The location where they are used is primarily in shear, and the full tension screws are not necessary. For my money, stainless screws are subject to galvanic corrosion and can in some instances cause a problem in this regard. Many pilots in Alaska prefer the steel screws as they have had problems with the stainless. It is really your call since the stainless screws do look nicer and if you keep them treated with LPS or similar they probably won't give you a problem.The steel screws have the classic gold lacquer finish. regards, Bruce Cunningham N30464 |
#7
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I had a Turbo Lance (PA32RT-300T) and it did not have flush screws.
I have worked on a PA32R-301T that has flush fuel tank screws. John Dupre' |
#8
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#9
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MS 24694 are flush type structural screws and are available in
stainless (MS 24694C). Spruce, Chief, Wicks, and many others have them. That may well be true but when I spoke to D&D supply a couple of years ago they told me that the stainless flush screws were not strong enough for the application and they would not sell them in thier Piper fuel tank kits. I suppose that lots of things can change in two years. I will call them tomorrow and ask again. John Dupre' |
#10
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