Optical Instrument Reticle

Features

Specifications

• Diameter:
  1.5748 inches
• Angle In Deg:
  45.0
• Axial Thickness:
  0.2756 inches
• Refraction Index:
  1.5171
• Dispersion:
  64.3 angstroms
• Rim Finish:
  Ground
• Graduations/markings:
  Cross line
• Convex Surface Radius:
  2.5591 inches
• Style Designator:
  Crossline
• Supplementary Features:
  Material optical glass per jan-g-174, grade c
• Fsc Application Data:
  Fire control, telescope mk 66
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-382-0830
• Special Features:
  0.0197 in. Bevel depth