Optical Instrument Reticle

Features

Specifications

• Diameter:
  Between 0.4950 inches and 0.5000 inches
• Axial Thickness:
  Between 0.115 inches and 0.135 inches
• Rim Finish:
  Polished
• Graduations/markings:
  Cross line
• Bevel Depth And Location:
  0.4200 inches both surfaces and 0.4800 inches both surfaces
• Style Designator:
  Crossline
• Supplementary Features:
  Material optical glass per jan-g-174, grade c, type 284-460 or type 523-586
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-043-9889