#7688729 Telescope Lens | Components And Accessories Test Equipment Optical Instruments

7688729

Optical Instrument Lens

NSN 6650-00-768-8729

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
007688729

Product Features

Chamfer edges 0.010 in. Min, 0.020 in. Max. By 45 deg. Front and back surfaces coated with magnesium fluoride.

Product Technical Spec.

Diameter:
Between 1.391 inches and 1.397 inches
Axial Thickness:
Between 0.206 inches and 0.226 inches
Equivalent Focal Length:
4.045 inches
Back Focal Length:
3.902 inches
Refraction Index:
1.5110
Abbe Constant:
63.500
Single Lens Style:
Plano-convex
Element Left Surface Radius:
2.067 inches
Element Right Surface Radius:
2.067 inches
Material:
Glass, optical, mil-g-174, class 1, grade c, type 511-635
Material:
Glass, optical, mil-g-174, class 1, grade c, type 511-635
Fsc Application Data:
Periscope, tank
NSN:
6650-00-768-8729
Item Name:
Lens,telescope
Cage Code:
19200

Cross Referenced Parts

No other part numbers with same form, fit, and function found.

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Catalog Drilldown
--- Instruments And Laboratory Equipment
------ Components And Accessories Test Equipment Optical Instruments
--------- Optical Instrument Lens
------------ P/N 7688729

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Last Updated: 05/05/2024