Features
Glass optical material.
Modified crossline.
Includes quality control certificate of conformance.
Specifications
-
Diameter:
Between 0.9770 inches and 1.0000 inches
-
Angle In Deg:
45.0
-
Scale Calibration:
80 to 0 to 80 mils
-
Axial Thickness:
Between 0.230 inches and 0.250 inches
-
Refraction Index:
1.5230 and 1.5838
-
Dispersion:
58.6 angstroms and 46.0 angstroms
-
Rim Finish:
Polished
-
Graduations/markings:
Azimuth
-
Bevel Depth And Location:
0.0200 inches both surfaces and 0.0300 inches both surfaces
-
Style Designator:
Modified crossline
-
Supplementary Features:
Material optical glass per mil-g-174, class 1, grade c, type 523-586 or 584-460
-
Fsc Application Data:
Telescope, panoramic
-
Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
-
National Stock Number (nsn):
6650-00-020-2364