Also, {TAIL ~ valve stem male threads 436 and braze body female threads} 443 can have {HEAD ~ different thread pitches} when compared to the threads on nut 23 
Also , { TAIL ~ valve stem male threads 436 and braze body female threads } 443 can have { HEAD ~ different thread pitches } when compared to the threads on nut 23
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH