Model #7577957

Optical instrument lens (NSN 6650-00-757-7957)

Description

grade c jan-g-174 optical glass material.

Diameter
1.311 inches
Axial Thickness
0.123 inches and 0.289 inches
Compound Lensaxial Thickness
0.412 inches
Compound Lens Edge Thickness
0.319 inches
Equivalent Focal Length
5.502 inches
Front Focal Length
5.303 inches
Refraction Index
1.6490 and 1.5170
Abbe Constant
33.800 and 64.500
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
7.317 inches and 2.252 inches
Element Right Surface Radius
-2.252 inches and -3.374 inches
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Periscope, m16h, integrated with fire control equipment
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 11/24/2024