{HEAD ~ Valve stem} 419 would have to be rotated in {TAIL ~ the opposite direction} in order to engage with braze body internal threads 443 
to be rotated in
{ HEAD ~ Valve stem } 419 would have to be rotated in { TAIL ~ the opposite direction } in order to engage with braze body internal threads 443
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH