Features
Glass optical material.
Includes quality control certificate of conformance.
Specifications
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Aperture Diameter:
1.000 inches
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Overall Diameter:
1.750 inches
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Surface Finish:
Ground and polished
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Refraction Index:
1.5168
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Material:
Glass, optical
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-351-9061