Farmall H & M Water Pump and Grease Nipple Threads

Posted by SadFarmall on April 22, 2012 at 04:40:12 from (112.213.179.19):

As a matter of interest on the matter of threads, I keep wondering why IHC used British Standard Pipe and British Standard Pipe Taper threads instead of National Pipe Thread. I just had the Farmall H radiator re-cored and need to tidy up the drain pipe thread in the lower tank. It turns out to be 3/8" BSPT and not NPT. The block drain plug is also 3/8" BSPT. Similarly many of the grease nipple threads are 1/8" BSP. I had thought that NPT was the U.S. standard and would therefore be used in preference to the British standard. Any ideas? Is there a U.S. parallel pipe thread?

SadFarmall

Replies:

• Re: Farmall H M Water Pump and Grease Nipple Threads DeltaRed 06:52:00 04/26/12 (0)
• Re: Farmall H & M Water Pump and Grease Nipple Threads sflem849 05:19:35 04/22/12 (0)

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