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

Optical Instrument Lens

Model / MPN: LD172589PC51 | NSN: 6650-00-382-1836
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
6650-00-382-1836
Sold in multiples of
* special requirements. EA
DEMIL
DEMIL/MLI
Diameter
1.101 inches
Axial Thickness
0.354 inches and 0.118 inches
Compound Lensaxial Thickness
0.472 inches
Compound Lens Edge Thickness
0.333 inches
Equivalent Focal Length
2.144 inches
Back Focal Length
2.131 inches
Front Focal Length
1.860 inches
Refraction Index
1.5880 and 1.6490
Abbe Constant
53.400 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-1.103 inches and 1.274 inches
Element Right Surface Radius
-1.103 inches and -10.370 inches
Material
Glass, optical, mil-g-174, class 1, grade c
Material
Glass optical
Material Specification
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data
Fire control, telescope, mk91 mod 0

Pricing and Availability

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LD172589PC51 Cross Reference
  • LD172589GP51
  • LD172589PC51