Features
grade b mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
Between 6.7520 inches and 6.7535 inches
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Axial Thickness:
Between 0.322 inches and 0.328 inches
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Single Lens Style:
Double concave
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Material:
Glass, optical, mil-g-174, grade b
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-034-6039