Optical Instrument Reticle

Features

Specifications

• Diameter:
  1.3780 inches
• Angle In Deg:
  45.0
• Scale Calibration:
  0 to 2200 meter range
• Axial Thickness:
  0.157 inches
• Refraction Index:
  1.5230
• Dispersion:
  58.6 angstroms
• Rim Finish:
  Polished
• Graduations/markings:
  Range scale
• Ammunition Identification Inscription:
  Cannon m185 on howitzer m109e1
• Bevel Depth And Location:
  0.0200 inches opposite etched surface
• Style Designator:
  Crossline
• Supplementary Features:
  Material optical glass per mil-g-174, class 1, grade c
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-415-6313