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National Stock Number:
1240-01-056-5305
Federal Supply Class:
1240
National Item Identification Number:
010565305
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:
| 13034002-2 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13034002-2 | 21530 | SPENCER INDUSTRIES INC |
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Techincal Specification:
| DENSITY VARIABILITY | NOT VARIABLE | | DIAMETER | 0.537 INCHES MINIMUM AND 0.547 INCHES MAXIMUM | | SURFACE MATERIAL | PLASTIC FILM | | THICKNESS | 0.003 INCHES NOMINAL |
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