Mil-s-6721 mil spec 1st material response or mil-s-5059 mil spec 2nd material response or mil-s-5059 mil spec 3rd material response or mil-s-5059 mil spec 4th material response or mil-s-5059 mil spec 5th material response
Mil-s-6721 mil spec 1st material response overall and mil-s-6721 mil spec 2nd material response overall and qq-s-763,cond a fed spec 3rd material response overall
Mil-s-6721,comp ti mil spec single material response shell
Mil-s-6721,cond a mil spec 1st material response or mil-s-5059 mil spec 2nd material response or mil-s-5059 mil spec 3rd material response or mil-s-7720 mil spec 4th material response or mil-s-5059 mil spec 5th material response
Mil-s-6721 mil spec 1st material response overall or mil-s-5059 mil spec 2nd material response overall or mil-s-5059 mil spec 2nd material response overall or mil-s-5059 mil spec 2nd material response overall or astm a582 assn std 3rd material response overall