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