Features
Glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
3.250 inches
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Thickness:
0.500 inches
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Reflective Backing Material:
Aluminum
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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):
6650-01-392-8040
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Special Features:
Scratch and dig 80/50; 3.000" diameter min clear aperture