Features
grade b jan-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
Between 4.290 inches and 4.292 inches
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Thickness:
Between 0.549 inches and 0.551 inches
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Reflective Backing Material:
Aluminized
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Material:
Glass, optical, jan-g-174, grade b
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-382-1281