Features
Glass optical material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
4.500 inches
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Axial Thickness:
1.919 inches
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Single Lens Style:
Double convex
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Material:
Glass, optical, mil-g-174
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Material Specification:
Mil-g-174 military specification single material response
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-172-2215