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Optical Instrument Lens

Model / MPN: 248578PC6-7 | NSN: 6650-00-382-1807
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
6650-00-382-1807
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
1.772 inches
Axial Thickness
0.295 inches and 0.150 inches
Compound Lensaxial Thickness
0.4448 inches
Compound Lens Edge Thickness
0.424 inches
Equivalent Focal Length
17.276 inches
Back Focal Length
16.640 inches
Front Focal Length
17.652 inches
Refraction Index
1.6110 and 1.6660
Abbe Constant
58.800 and 32.400
Compound Lens Style
Doublet
Individual Lens Style
Double convex and double concave
Element Left Surface Radius
-2.795 inches and 4.331 inches
Element Right Surface Radius
-2.795 inches and 10.018 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
1. Optical sighting ranging equipment
248578PC6 Series Parts

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248578PC6-7 Cross Reference
  • LD133777ITEM4
  • LD133777ITEM4
  • 248578PC6-7