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Worldwide distributor of NSN parts and consumables located in the USA.

Optical Instrument Lens

Model / MPN: 1040149 | NSN: 6650-00-382-1739
ITAR Registered seal

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes reticle, optical instrument.

Product Details
NATO Stock Number
6650-00-382-1739
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
Between 2.16338 inches and 2.16535 inches
Axial Thickness
0.47244 inches
Equivalent Focal Length
4.043 inches
Back Focal Length
3.850 inches
Front Focal Length
3.917 inches
Refraction Index
1.5300
Abbe Constant
51.800
Single Lens Style
Double convex
Individual Lens Style
Double convex
Element Left Surface Radius
3.471 inches
Element Right Surface Radius
-5.331 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Material
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data
1. Optical sighting and ranging equipment
10401 Series Parts

Pricing and Availability

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1040149 Cross Reference
  • 52470