Features
Glass optical material.
Includes quality control certificate of conformance.
Specifications
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Axial Thickness:
Between 0.240 inches and 0.250 inches
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Rim Finish:
Polished
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Graduations/markings:
Cross line
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Supplementary Features:
Material optical glass per mil-g-174, class 1, grade c, type 584-460
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-052-0014