Features
Glass or quartz material.
Includes quality control certificate of conformance.
Specifications
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Width:
3.000 inches
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Length:
9.000 inches
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Usage Design:
Calibration
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Reflective Backing Material:
Aluminum or bismuth oxide
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-076-3517
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Special Features:
Parallelism one arc sec; surface flat to 1/8 wavelength; metal mount vert or horiz