Optical Instrument Lens

Features

Specifications

• Diameter:
  2.150 inches
• Axial Thickness:
  0.110 inches
• Single Lens Style:
  Plano-concave
• Material:
  Glass, optical, mil-g-174, class 1, grade a, type 517-642
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-062-3114
• Special Features:
  Material used in the manufacture of this optical part shall not containthorium, other radioactive material, or any combination of materials in excessof 0.05 percent by weight as defined by the title 10, code of federal regulations, part 40