Model #LD172589GP37

Optical instrument lens (NSN 6650-00-382-1825)

Description

Glass optical material.

Diameter
1.417 inches
Axial Thickness
0.315 inches and 0.157 inches
Compound Lensaxial Thickness
0.472 inches
Compound Lens Edge Thickness
0.415 inches
Equivalent Focal Length
8.526 inches
Back Focal Length
8.281 inches
Front Focal Length
8.473 inches
Refraction Index
1.5740 and 1.6210
Abbe Constant
57.700 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-5.630 inches and -2.958 inches
Element Right Surface Radius
2.958 inches and 19.685 inches
Material
Glass, optical, mil-g-174, class 1, grade c
Material Specification
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data
Fire control, telescope mk 63
Description
Lens,optical Instrument
Cage Code
53711

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Updated: 12/04/2024