Model #8626215

Optical instrument lens (NSN 6650-00-073-6542)

Description

type 617-366 grade c class 1 mil-g-174 optical type 617-549 and glass grade c class 1 mil-g-174 optical glass material.

Diameter
Between 1.157 inches and 1.160 inches
Axial Thickness
Between 0.622 inches and 0.626 inches and 0.102 inches and 0.106 inches
Compound Lensaxial Thickness
Between 0.724 inches and 0.732 inches
Equivalent Focal Length
-5.110 inches
Refraction Index
1.6170 and 1.6170
Abbe Constant
54.900 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
1.245 inches
Element Right Surface Radius
2.257 inches
Material
Glass, optical, mil-g-174, class 1, grade c, type 617-549 and glass, optical, mil-g-174, class 1, grade c, type 617-366
Fsc Application Data
Telescope panoramic m113
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 03/29/2024