Optical Instrument Reticle

Features

Specifications

• Diameter:
  Between 11.95 millimeters and 12.5 millimeters
• Angle In Deg:
  45.0
• Axial Thickness:
  Between 2.9 millimeters and 3.1 millimeters
• Rim Finish:
  Ground
• Graduations/markings:
  Cross line and elevation type
• Bevel Depth And Location:
  0.2 millimeters etched surface and 1.0 millimeters opposite etched surface
• Style Designator:
  Graduated from center
• Supplementary Features:
  Material optical glass per mil-g-174, grade a, type 517-645
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-097-5659