Features
Glass optical material.
Crossline.
Includes quality control certificate of conformance.
Specifications
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Diameter:
Between 2.1240 inches and 2.1250 inches
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Axial Thickness:
Between 0.085 inches and 0.095 inches
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Refraction Index:
1.6500
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Dispersion:
589.3 millimicrons
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Rim Finish:
Black painted
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Graduations/markings:
Concentric circle
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Style Designator:
Crossline
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Supplementary Features:
Material optical glass per mil-g-174
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-068-9248