3b all ends thread class 2.050" overall length fluid end with flange; side flange has 6 holes, 0.259in dia by 0.230in max drilled depth; quick disconnect end has bulkhead-threaded 1.750-16 unjf-3a-1.170 inch from end passivate body surface treated male coupling half unef all ends thread series
3b all ends thread class 2.860" overall length 12 first quick disconnect end thread quantity per inch color blue; 1.625-12unj-3a bulkhead thds on fluid end anodize body surface treated male coupling half un all ends thread series
3a all ends thread class 3.530" overall length 12 first quick disconnect end thread quantity per inch color blue anodize body surface treated male coupling half unj all ends thread series