Test class sphere pwr 3 frng, irregulari type 1 frng
General Description
diameter 1.138min.And 1.136min; material glass, 517-642 cli; precision annealed grade a, per mil-g-174; thickness 0.123in max.And 0.119in min; 0.030x45.0deg chamfer rear edge only; 20.064inmax and 19.986in min radius frontal surface; 261.11in max and 260.07in min radius rear surface; additional description no.6, 95mm; identify per mil-std-130
