Features
type 517-642 grade a class 1 mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
9.500 inches
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Thickness:
1.500 inches
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Reflective Backing Material:
Aluminum
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Material:
Glass, optical, mil-g-174, class 1, grade a, type 517-642
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Fsc Application Data:
Test set electronic equip.
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-229-3405