Mil-s-5059,cond hard mil spec single material response overall
Qq-s-766, cond a fed spec single material response or mil-s-5059, cond a mil spec single material response
Qq-s-766 fed spec 1st material response or qq-s-766 fed spec 2nd material response or mil-s-5059 mil spec 3rd material response
Qq-s-766 fed spec 1st material response or qq-s-766 fed spec 2nd material response or mil-s-5059 mil spec 3rd material response