#278694-8 Doublet | Components And Accessories Test Equipment Optical Instruments

278694-8

Optical Instrument Lens

NSN 6650-00-155-1356

DEMIL
Shelf Life
UOM
NIIN
Demil:
DEMIL/MLI
Shelf Life:
N/A
UOM:
1 EA
NIIN:
001551356

Detail Specifications

Diameter:
0.315 inches
Axial Thickness:
0.118 inches and 0.039 inches
Compound Lensaxial Thickness:
0.157 inches
Compound Lens Edge Thickness:
0.134 inches
Equivalent Focal Length:
1.110 inches
Back Focal Length:
1.033 inches
Front Focal Length:
1.065 inches
Refraction Index:
1.5740 and 1.6200
Abbe Constant:
57.700 and 36.200
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Fire control, range finder, mk 57
NSN:
6650-00-155-1356
Item Name:
Doublet
Cage Code:
10001

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 278694-8

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Last Updated: 03/07/2025