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National Stock Number:
1240-00-819-4716
Federal Supply Class:
1240
National Item Identification Number:
008194716
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:
| 1575549 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | DIAMETER | 2.5637 INCHES NOMINAL | | FSC APPLICATION DATA | SIGHT UNIT,OPTICAL | | MATERIAL | GLASS SURFACE | | WHITE LIGHT TRANSMISSION IN PERCENT | 30.0 SINGLE FILTER AND 18.0 PAIR OF FILTERS WITH PARALLEL AXES AND 0.05 PAIR OF FILTERS WITH CROSSED AXES | | SURFACE PARALLELISM | 60.0 SECONDS | | THICKNESS | 0.985 INCHES NOMINAL |
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