Technical Specifications of NSN
Diameter:
Between 1.3750 inches and 1.3780 inches
Scale Calibration:
200 to 2200 meters
Axial Thickness:
Between 0.137 inches and 0.157 inches
Refraction Index:
1.5230 and 1.5838
Dispersion:
58.6 angstroms and 46.0 angstroms
Graduations/markings:
Range scale
Ammunition Identification Inscription:
155mm, he, m107
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, class 1, grade c, type 523-586 or 584-460
Fsc Application Data:
Telescope, elbow
Item Name:
Micrometer Disk,microscope
Other Related Parts
No other part numbers with same form, fit, and function found.