National Item Identification Number
01-004-1261
010041261
6650-01-004-1261
6650010041261
National Stock Number
Item Name
SPECTROGRAPH
Federal Supply Class
6650
Description
An optical instrument designed to break up the light from a source into its constituent wave lengths and to provide a means of qualitative or quantitative study of the spectrum line formed. The instrument essentially consists of four parts; the slit, the lenses, the dispersion system and photographic or photoelectric system. The instrument may incorporate a prism or grating system for the dispersion of light.
Commercial and Government Entity Code (Supplier Data)
Reference Numbers (Part Numbers)
78-090
Required Categories
SPECIAL FEATURES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
THE MANUFACT
Required Description
GRATING RULING 590 LINES/MM, WAVELENGTH FIRST ORDER 4200-9600A, SECOND ORDER 210