Features
Glass optical material.
Crossline.
Includes quality control certificate of conformance.
Specifications
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Diameter:
25.0 millimeters
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End Application:
Periscope mk29
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Axial Thickness:
4.0 millimeters
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Refraction Index:
1.5109
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Dispersion:
63.4 angstroms
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Rim Finish:
Ground
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Graduations/markings:
Cross line
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Convex Surface Radius:
61.8 millimeters
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Style Designator:
Crossline
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-155-2857