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

Optical Instrument Lens

Model / MPN: LD172589GP49 | NSN: 6650-00-382-1834
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
6650-00-382-1834
Sold in multiples of
* special requirements. EA
DEMIL
DEMIL/MLI
Diameter
1.780 inches
Axial Thickness
0.315 inches and 0.091 inches
Compound Lensaxial Thickness
0.406 inches
Compound Lens Edge Thickness
0.288 inches
Equivalent Focal Length
3.144 inches
Back Focal Length
2.854 inches
Front Focal Length
3.181 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 plano-concave
Element Left Surface Radius
-1.291 inches and 1.535 inches
Element Right Surface Radius
-1.291 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 mk 91

Pricing and Availability

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LD172589GP49 Cross Reference
  • LD172589PC49
  • LD172589PC49