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National Stock Number:
1240-00-344-7620
Federal Supply Class:
1240
National Item Identification Number:
003447620
Description:
FILTER,LIGHT,TELESCOPIC INSTRUME
Detail:
AN ITEM HAVING TWO PLANE-PARALLEL SURFACES AND USED IN THE TELESCOPIC SYSTEM OF AN OPTICAL INSTRUMENT TO MODIFY THE DENSITY OR SPECTRAL INTENSITY OF LIGHT BY ABSORPTION. SEVERAL FILTERS HAVING VARIED CHARACTERISTICS ARE USUALLY MOUNTED IN SUCH A MANNER THAT ANY SELECTED FILTER MAY BE MOVED IN OR OUT OF THE OPTICAL AXIS AS LIGHT CONDITIONS WARRANT. EXCLUDES WINDOW, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 279537PC2 | 02622 | AMERICAN OPTICAL CO | | 279537PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | OVERALL DIAMETER | 43.0 MILLIMETERS NOMINAL | | OVERALL THICKNESS | 3.0 MILLIMETERS NOMINAL | | MATERIAL | GLASS SURFACE | | VIEWING SURFACE OVERALL DIAMETER | 41.0 MILLIMETERS NOMINAL |
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