[TR] thread size of uprated Moss water pump shaft.

Bob Labuz yellowtr at adelphia.net
Thu Jul 30 18:16:52 MDT 2015


Hello,

Just received an email from Jeff. The thread size was confirmed by Moss 
tech support as 8 1.25. Does that mean 8MM and 1.25 TPMM?

Bob

On 07/30/2015 04:01 PM, Bob Labuz wrote:
> Hello,
>
> Received a pump from Jeff at LBcar today but it did not have a nyloc 
> nut supplied. Looked like 5/16 so I went to the hw bin and pulled out 
> a 5/16 18 and it would not fit. Tried a 5/16 24 no go.
>
> I measured the thread with a gauge and it seems to be 20 TPI.
>
> I emailed Jeff to get me the correct thread size and he replied 5/16 
> UNF which is 24 TPI. This shaft is not 24 TPI. It may be 5/16 but not 
> 18 or 24 tpi.
>
> I went down to Lowes to check their metric HW and it seems to be a 
> M8-1.25.
>
> Can anyone help here? I dont want to install the pump without the 
> correct nyloc nut for the pulley.
>
> The moss part # for the pump is
>
> -835-073 x 1 Total
>
> Thanks,
>
> Bob
>



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