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National Stock Number:
6650-01-305-3371
Federal Supply Class:
6650
National Item Identification Number:
013053371
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:
| 3647811-1 | 82577 | RAYTHEON COMPANY |
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Techincal Specification:
| DIAMETER | 4.800 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | OPTICAL GRADE CVD POLYCRYSTALLINE MFR REF SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED | | MATERIAL | ZINC SULFIDE LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | PROVIDED | | THICKNESS | 0.302 INCHES NOMINAL |
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