Optical Instrument Reticle

Features

Specifications

• Diameter:
  18.0 millimeters
• Angle In Deg:
  45.0
• Scale Calibration:
  5 to 40 mils
• Axial Thickness:
  1.5 millimeters
• Refraction Index:
  1.5800
• Dispersion:
  46.0 angstroms
• Rim Finish:
  Ground
• Graduations/markings:
  Cross line
• Bevel Depth And Location:
  0.3 millimeters both surfaces
• Style Designator:
  Graduated from center
• Supplementary Features:
  Material optical glass per jan-g-174
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-382-1633