Features
Glass optical material.
Crossline w/grid.
Includes quality control certificate of conformance.
Specifications
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Diameter:
Between 30.2 millimeters and 30.3 millimeters
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Angle In Deg:
45.0
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Axial Thickness:
Between 3.5 millimeters and 3.9 millimeters
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Rim Finish:
Ground
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Graduations/markings:
Range scale
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Bevel Depth And Location:
0.5 millimeters both surfaces
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Style Designator:
Crossline w/grid
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Supplementary Features:
Material optical glass per mil-g-174, class 1, grade c, type 523-586
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-115-7981