Hydraulic hose end identification help

[jd5100E]

I am working on a Ford 3000 tractor that has had an aftermarket power steering kit put on it, the ones you can find at yesterdays tractor, ebay etc... The pressure hose from the pump to the cylinder is leaking and needs to be replaced. I live in a small town and my local hose shop cannot find the correct end anywhere in their inventory. After some research these kits are make in Turkey and have been in contact with them and have not been able to really tell me what I need. I am used to SAE pipe and JIC fittings. I am thinking its possibly metric but see there is a british as well. The napa had the japanese style fittings and that is a no as well.

 

[ptsg]

Looks like JIS to me. Now, JIS exist in both metric and imperial.

The imperial version uses the same exact threads as the BSPP fittings and even the same 60 degree taper for the seal, however on the JIS, the taper is inverted compared to the BSPP fittings.

Can you measure the diameter of threads and the pitch?

 

[jd5100E]

I can measure the overall diameter of the threads but I do not have a way to measure the pitch that I know of. I had a #6 JIC fitting laying around at it will not go up onto the taper at all and a #8 swallows it.

 

[jd5100E]

I measured the fitting, bear in mind that I have a cheap dial caliper but what I came up with was .606 inches or a little over 15 mm. I measured a male imperial JIC i have and it came out to .552 inches

 

[WranglerX]

Maybe this will help...

 

[jd5100E]

Thanks! After looking at the chart I got my tap and die set out and the fitting has a 5/8-18 thread pitch on it so I am assuming that I have a JIC 45 degree flare fitting

 

[oldnslo]

I would be very surprised if that is an American thread 45 degree flare in hydraulic application. That style fitting is usually water or gas line.

Do you have a 90 degree square that you can put over the end of the male fitting to see if the angle matches?

 

[jd5100E]

I would be very surprised if that is an American thread 45 degree flare in hydraulic application. That style fitting is usually water or gas line.

Do you have a 90 degree square that you can put over the end of the male fitting to see if the angle matches?

I do not have a 90 degree square on hand

 

[jd5100E]

Looks like JIS to me. Now, JIS exist in both metric and imperial.

The imperial version uses the same exact threads as the BSPP fittings and even the same 60 degree taper for the seal, however on the JIS, the taper is inverted compared to the BSPP fittings.

Can you measure the diameter of threads and the pitch?

I have found it is 5/8-18 threads on the fitting