Features
Includes quality control certificate of conformance.
Specifications
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Reference Number Differentiating Characteristics:
As differentiated by grating ruling
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-004-1261
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Special Features:
Grating ruling 590 lines/mm, wavelength first order 4200-9600a, second order 2100-4800a, third order 2100-3200 angstroms, resolution -1 angstrom, portable unit