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GM oring to -AN fittings.

Discussion in 'The Garage' started by sandawgk5, Aug 27, 2006.

  1. sandawgk5

    sandawgk5 3/4 ton status

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    I think I am having a hose issue with my PS and HB. I want to make my own hoses with reusable -AN fittings and weatherhead hose. Does anyone make a fitting that is GM oring on one end and a -6 or -8 on the other end? I can get reusable fittings from PSC and hose just about anywhere. I just need to be able to connect the -AN fittings to the existing ports on the pump, HB, and steering gear.

    Thanks

    Ira
     
  2. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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  3. ryan22re

    ryan22re 1/2 ton status

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  4. sandawgk5

    sandawgk5 3/4 ton status

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    Do both of those links fit the standard GM oring fitting?

    Ira
     
  5. ryan22re

    ryan22re 1/2 ton status

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    The last three are the o-ring fitting. Should be the 16mm x 1.5 o-ring fitting. I prefer the ones from speedway as they are steel and not aluminium like the ones from summit. (sorry Ryoken)
     
  6. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    PSC carries exactly what you want, in fact they sell a kit from pressure side of pump to box and also a return line kit from box to pump.
     
  7. Slapperbar

    Slapperbar Retired Navy NDT Examiner Premium Member

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    I've used the Earls ones on my TBI for years... no problems, love them.
     
  8. ntsqd

    ntsqd 1/2 ton status

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    Concur on steel in that application. Aluminum may be just fine for that application, but it doesn't leave me feeling warm & fuzzy.
    Parker & Weatherhead both make those fittings. The industry uses the name "JIC" for the steel fittings that are a direct interchange with the AN series of fittings. Should be able to buy everything you need from a local hydraulics supplier.
     
  9. Slapperbar

    Slapperbar Retired Navy NDT Examiner Premium Member

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    You want 45 deg. AN not 37 deg. 37/45 cmbos leak like a little girl at an Alice Cooper Concert.
     
  10. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    True AN fittings are all 37* and all JIC fittings are 37* AFAIK.
     
  11. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    I was always under the impression JIC was 37 and AS was 45... But 45 is so prevelent today it is refered to as AN.. I certainly see tons more 45 at work than 37... All the aeroquip hose I make at work is 45 iirc...
     
  12. ntsqd

    ntsqd 1/2 ton status

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    AN & JIC both use all the same thread sizes and the 37* seal angle. They are directly interchangable within any given dash size. The only practical difference is the material that the fittings are made out of.
    The Aeroquip that I've used is all 37*

    SAE uses a 45* seal angle and some, but NOT all of the same thread sizes. They should NOT be considered interchangable with AN/JIC even though some of the fittings will thread together. I consider SAE fittings to be evil and bannish them from both home and work so as to not have any mis-match in fittings.
     
  13. ryoken

    ryoken Puppy Fabricator Premium Member GMOTM Winner

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    hmmm, maybe the aeroquip stuff I've been using is 37... :thinking:
     

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