Model #7632694

Optical instrument lens (NSN 6650-00-763-2694)

Description

grade b class 1 mil-g-174 optical glass material.

Diameter
1.700 inches
Axial Thickness
0.225 inches and 0.160 inches
Compound Lensaxial Thickness
0.385 inches
Compound Lens Edge Thickness
0.344 inches
Equivalent Focal Length
10.649 inches
Back Focal Length
10.488 inches
Front Focal Length
10.103 inches
Refraction Index
1.5110 and 1.6490
Abbe Constant
63.500 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and double concave
Element Left Surface Radius
6.946 inches and -4.336 inches
Element Right Surface Radius
-4.336 inches and -12.338 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data
Range finder m12, integrated with fire control equip
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 05/28/2024