Features
Glass material.
Vertically graduated.
Includes quality control certificate of conformance.
Specifications
-
Diameter:
138.0 millimeters
-
End Application:
Rangefinder mk46
-
Axial Thickness:
4.0 millimeters
-
Refraction Index:
1.5170
-
Dispersion:
64.5 angstroms
-
Rim Finish:
Polished
-
Graduations/markings:
Vertical hairline
-
Style Designator:
Vertically graduated
-
Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
-
National Stock Number (nsn):
6650-00-155-1380