#7688774 Doublet | Components And Accessories Test Equipment Optical Instruments

7688774

Optical Instrument Lens

NSN 6650-00-768-8774

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007688774

Product Features

Edges chamfered 0.010 to 0.020 in. By 45 deg. Both surfaces coated with magnesium fluoride. Rim ground.

Detail Specifications

Diameter:
Between 1.297 inches and 1.300 inches
Axial Thickness:
Between 0.200 inches and 0.220 inches
Equivalent Focal Length:
3.859 inches
Back Focal Length:
3.759 inches
Refraction Index:
1.6170
Abbe Constant:
55.000
Single Lens Style:
Double convex
Element Left Surface Radius:
3.100 inches
Element Right Surface Radius:
10.000 millimeters
Material:
Glass, optical, mil-g-174, class 1, grade d, type 617-550
Material:
Glass, optical, mil-g-174, class 1, grade d, type 617-550
Fsc Application Data:
Periscope, tank
NSN:
6650-00-768-8774
Item Name:
Doublet
Cage Code:
19200

Manufacturer Part Numbers

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 7688774

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Last Updated: 03/10/2025