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

Optical Instrument Lens

Model / MPN: 8289292 | NSN: 6650-00-622-4989
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
6650-00-622-4989
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
Between 1.447 inches and 1.450 inches
Axial Thickness
0.300 inches and 0.120 inches
Compound Lensaxial Thickness
0.420 inches
Compound Lens Edge Thickness
0.301 inches
Equivalent Focal Length
6.020 inches
Back Focal Length
5.932 inches
Front Focal Length
5.512 inches
Refraction Index
1.5690 and 1.6890
Abbe Constant
51.600 and 30.900
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus converging
Element Left Surface Radius
-1.860 inches and 6.825 inches
Element Right Surface Radius
-1.860 inches and 3.911 inches
Material
Glass, optical, mil-g-174, class 1, grade c, form plates
82892 Series Parts

Pricing and Availability

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8289292 Cross Reference