National Item Identification Number

00-489-7197
004897197
6650-00-489-7197
6650004897197

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)

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Reference Numbers (Part Numbers)

78-090

Required Categories

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
THE MANUFACTURERS DATA
MANUFA

Required Description

W/EXCITATION UNIT PART NO. 40-750,ELECTROMAGNETIC SHUTTER PART NO. 12-900,CONCAV