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National Stock Number:
6650-01-353-5822
Federal Supply Class:
6650
National Item Identification Number:
013535822
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:
| 6096313 | 36126 | RAYTHEON CANADA LIMITED | | 6096313 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| DIAMETER | 3.500 INCHES NOMINAL | | III MATERIAL | GERMANIUM | | POLISHED PERIPHERY | PROVIDED | | POLISHED SURFACE | ONE | | PROPRIETARY CHARACTERISTICS | PACS | | SURFACE FINISH | GROUND AND POLISHED |
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