Features
Glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
4.000 inches
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Axial Thickness:
1.455 inches and 1.400 inches
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Individual Lens Style:
Double convex and plano-concave
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Material:
Glass
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-056-0977