Optical Instrument Reticle

Features

Specifications

• Diameter:
  Between 0.6060 inches and 0.6090 inches
• Angle In Deg:
  45.0
• Axial Thickness:
  Between 0.100 inches and 0.120 inches
• Refraction Index:
  1.5170
• Dispersion:
  64.5 angstroms
• Rim Finish:
  Ground
• Graduations/markings:
  Cross line and concentric circle
• Bevel Depth And Location:
  0.0200 inches both surfaces and 0.0300 inches both surfaces
• Style Designator:
  Crossline
• Supplementary Features:
  Material optical glass per mil-g-174, grade c, type 517-645
• Fsc Application Data:
  Sight, reflex
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-930-1132
• Special Features:
  Surface opposite etched surface frosted finish