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National Stock Number:
6650-01-056-5306
Federal Supply Class:
6650
National Item Identification Number:
010565306
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:
| 13034002-1 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | DIAMETER | 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM | | OVERALL DIAMETER | 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM | | OVERALL THICKNESS | 0.003 INCHES NOMINAL | | SURFACE MATERIAL | PLASTIC FILM | | THICKNESS | 0.003 INCHES NOMINAL |
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