right-hand internal one -.562 in. dia by 1.000 in. lg coupling pressed thru center hole in top of cap, 1/8-27 npt internal thd both ends of coupling cap npt internal thread series
right-hand external has 2 holes 0.060 in. dia drilled in side of cap 180 deg opposite each other, 0.200 in. from the top of the cap at an angle of 30.0 deg from parallel of the top cap
