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dave bushell

Going back a few messages in this discussion, have we decided what this 7/16″ x19 tpi thread is when it comes to pipe unions? (3/16 bsp?)
This is the size of union that fits the drippers on my two speeder and also fits the oil feeds to the main bearings on most crankcases. Finding a supplier for 1/4 bsp unions is not a problem (http://www.vintagesupplies.com) but as yet I haven’t found a source for the “3/16 bsp” if that is what it is.