Features
Glass iii material.
To be used over long distances insunlight.
Includes quality control certificate of conformance.
Specifications
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Overall Diameter:
25.0 millimeters
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Overall Thickness:
6.9 millimeters
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Specific Use:
To be used over long distances insunlight
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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):
6650-01-541-0506
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Special Features:
Helium neon; wave length 632.8