#7688718 Collimator Lens Assembly | Components And Accessories Test Equipment Optical Instruments

7688718

Optical Instrument Lens

NSN 6650-00-768-8718

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
007688718

Product Features

Front and back surfaces coated with magnesium fluoride. All edges chamfered 0.020 in. Min. By 45 deg. Rim and chamfers ground.

Technical Specifications of NSN

Diameter:
Between 1.062 inches and 1.065 inches
Axial Thickness:
Between 0.108 inches and 0.128 inches and 0.384 inches and 0.404 inches
Compound Lensaxial Thickness:
Between 0.492 inches and 0.532 inches
Compound Lens Edge Thickness:
0.469 inches
Equivalent Focal Length:
35.620 inches
Refraction Index:
1.5110 and 1.7200
Abbe Constant:
63.500 and 29.300
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and double concave
Element Left Surface Radius:
1.575 inches
Element Right Surface Radius:
1.087 inches
Material:
Glass, optical, mil-g-174, class 1, grade c, type 511-635 and glass, optical, mil-g-174, class 1, grade c, type 720-293
Material:
Glass, optical, mil-g-174, class 1, grade c, type 511-635 and glass, optical, mil-g-174, class 1, grade c, type 720-293
Fsc Application Data:
Periscope, tank
NSN:
6650-00-768-8718
Item Name:
Lens Assembly,collimator
Cage Code:
19200

Other Related 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 7688718

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Last Updated: 03/09/2025