Features
Glass optical material.
Crossline.
Includes quality control certificate of conformance.
Specifications
-
Diameter:
23.0 millimeters
-
End Application:
Rangefinder mk51
-
Axial Thickness:
5.0 millimeters
-
Refraction Index:
1.5038
-
Dispersion:
46.0 angstroms
-
Rim Finish:
Polished
-
Graduations/markings:
Cross line
-
Style Designator:
Crossline
-
Supplementary Features:
Material optical glass per jan-g-174
-
Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
-
National Stock Number (nsn):
6650-00-155-3242