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National Stock Number:
6650-01-093-9387
Federal Supply Class:
6650
National Item Identification Number:
010939387
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:
| 7953143 | 07869 | AIR FORCE CAMBRIDGE RESEARCH LABORATORIES L G HANSCOM FIELD |
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Techincal Specification:
| FSC APPLICATION DATA | TELESCOPE SET,SOLAR | | LENGTH | 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM | | MATERIAL | QUARTZ LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | WIDTH | 0.496 INCHES MINIMUM AND 0.498 INCHES MAXIMUM | | SURFACE FINISH | FINE GROUND | | THICKNESS | 0.017 INCHES NOMINAL |
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