Qq-a-250/ii fed std 1st material response or astm-8209 fed std 1st material response and mil-r-25988,type ii,class mil spec 2nd material response
Mil-r-25988,type ii,class 2,grade 50 mil spec single material response body
Mil-r-25988,type 2,class 2,grade 50 mil spec single material response body