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National Stock Number:
1240-01-318-1475
Federal Supply Class:
1240
National Item Identification Number:
013181475
Description:
WINDOW,OPTICAL INSTRUMENT
Detail:
A COLOR FREE ITEM OF TRANSPARENT OR TRANSLUCENT MATERIAL, USUALLY OPTICAL GLASS, HAVING SPECIFIC LIGHT DISPERSIVE AND REFRACTIVE PROPERTIES. THIS ITEM MUST HAVE TWO PLANE-PARALLEL SURFACES AND IS DESIGNED FOR USE IN AN OPTICAL INSTRUMENT TO PROVIDE A BARRIER TO FOREIGN MATTER AND/OR PERMIT LIGHT TRANSMISSION IN OR TO THE OPTICAL SYSTEM.
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Manufacturer Information:
| 260351 | 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV | | 260351 | 30866 | CONTINENTAL OPTICAL CORP |
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Techincal Specification:
| DIAMETER | 0.500 INCHES NOMINAL | | MATERIAL | GLASS LOCATION NOT OTHERWISE SPECIFIED | | POLISHED SURFACE | BOTH | | THICKNESS | 0.060 INCHES NOMINAL |
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