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

Optical Instrument Lens

Model / MPN: 1040156 | NSN: 6650-00-382-1740
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
6650-00-382-1740
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
1.99212 inches
Axial Thickness
0.35433 inches
Compound Lensaxial Thickness
0.35433 inches
Compound Lens Edge Thickness
0.12834 inches
Equivalent Focal Length
3.370 inches
Back Focal Length
3.409 inches
Front Focal Length
3.126 inches
Refraction Index
1.6968
Abbe Constant
56.200
Single Lens Style
Meniscus converging
Individual Lens Style
Meniscus converging
Element Left Surface Radius
-13.154 inches
Element Right Surface Radius
-2.015 inches
Material
Glass, optical, jan-g-174, grade b
Material
Glass, optical, jan-g-174, grade b
Fsc Application Data
1. Fire control telescope mk 102 mod 3
10401 Series Parts

Pricing and Availability

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1040156 Cross Reference
  • 52478