Special Features
2material used in the manufacture of this optical part shall not containthorium, other radioactive material, or any combination of nuclear material inexcess of 0.05 percent by weight as defined by the title 10, code of federal regulations, part 40
Description
type 691-547 grade b class 1 mil-g-174 optical glass material.
Diameter
3.350 inches
Axial Thickness
0.780 inches
Single Lens Style
Plano-convex
Material
Glass, optical, mil-g-174, class 1, grade b, type 691-547