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National Stock Number:
1240-01-379-0291
Federal Supply Class:
1240
National Item Identification Number:
013790291
Description:
FILTER,LIGHT,OPTICAL INSTRUMENT
Detail:
AN ITEM HAVING TWO PLANE-PARALLEL SURFACES AND CONSISTING OF A POLARIZING MATERIAL BONDED BETWEEN GLASS OR PLASTIC. THIS ITEM TRANSMITS LIGHT IN ONLY ONE PLANE AND IS USUALLY USED IN PAIRS TO VARY THE LIGHT TRANSMITTED INTO OR THROUGH AN OPTICAL INSTRUMENT. EXCLUDES WINDOW, OPTICAL INSTRUMENT.
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Manufacturer Information:
| 66910386-1 | 34860 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 66910386-3 | 34860 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | OVERALL THICKNESS | 0.518 INCHES NOMINAL | | MATERIAL | GLASS SURFACE | | OVERALL DIAMETER | 3.615 INCHES NOMINAL |
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