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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 3rd material response overall or mil-s-5059 mil spec 4th material response overall or mil-s-5059 mil spec 5th material response overall
Mil-s-6721,cond annealed mil spec single material response overall