Mil-s-5059,1/4 or 1/2 hard mil spec single material response band
Mil-s-5059 comp 301-1/2h mil spec single material response
Mil-s-5059 mil spec 1st material response or mil-s-5059 mil spec 2nd material response or mil-s-7720 mil spec 3rd material response or mil-s-5059 mil spec 4th material response or ams 5510 assn std 5th material response
Mil-s-5059 mil spec 1st material response or mil-s-5059 mil spec 2nd material response or mil-s-7720 mil spec 3rd material response or mil-s-5059 mil spec 4th material response or ams 5510 assn std 5th material response
Mil-s-5059,cond annealed mil spec single material response overall