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STAINLESS STEEL
VERY LARGE HOLE .405" (10.3MM) USED ON EARLY NORTON OIL LINES AND BREATHER.
WE STOCK SEVERAL DIFFERENT TYPES/SIZES WITH DETAILS FROM ORIGINAL DRAWINGS AND ORIGINAL SAMPLES GOING BACK TO THE TWENTIES. THE LETTERS PUN AT THE START OF THE PART NUMBER IS AN ABBREVIATION OF PIPE UNION NUT. ENTER PUN INTO SEARCH BOX TO SEE THE DIFFERENT ONES WE STOCK.
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