Mil-s-867 mil spec single material response flow control device
Mil-s-867 mil spec single material response bodyqq-s-763,cl 304,cond a fed spec single material response flow control deviceqq-c-465,aly c63200 fed spec single material response stem
Astm b-61 assn std 1st material response overall or mil-s-867,class 1 mil spec 2nd material response overall