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

Optical Instrument Lens

Model / MPN: LD172591PC28 | NSN: 6650-00-382-1916
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
6650-00-382-1916
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
0.866 inches
Axial Thickness
0.256 inches and 0.091 inches
Compound Lensaxial Thickness
0.347 inches
Compound Lens Edge Thickness
0.263 inches
Equivalent Focal Length
2.402 inches
Back Focal Length
2.091 inches
Front Focal Length
2.524 inches
Refraction Index
1.5730 and 1.6490
Abbe Constant
57.400 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-1.161 inches and 0.291 inches
Element Right Surface Radius
-1.161 inches and -3.824 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, rangfinder, mk 57

Pricing and Availability

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LD172591PC28 Cross Reference
  • LD172591GP28
  • LD172591GP28
  • LD172591PC28