Detail Specifications
Diameter:
Between 1.0730 inches and 1.0760 inches
Scale Calibration:
200 to 2000 meters
Axial Thickness:
Between 0.100 inches and 0.120 inches
Refraction Index:
1.5230 and 1.5838
Dispersion:
58.6 angstroms and 46.0 angstroms
Graduations/markings:
Stadia-scale
Ammunition Identification Inscription:
75-he, at, t39
Bevel Depth And Location:
0.0200 inches both surfaces and 0.0300 inches both surfaces
Style Designator:
Vertically graduated
Supplementary Features:
Material optical glass per mil-g-174, grade c, type 525-586 and type 584-460
Fsc Application Data:
Telescope, straight
Item Name:
Micrometer Disk,microscope
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.