Mil-r-6855,cl 2,gr 70,ty a mil spec single material response overall
Mil-r-6855,cl1,gr80 mil spec single material response overall
Mil-r-6855, class 2, type a, grade 40 mil spec single material response
Mil-r-6855/2,t a,cl 2,gr 60 mil spec single material response overall
Mil-r-6855,class 1 mil spec single material response overall