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National Stock Number:
1240-01-393-1686
Federal Supply Class:
1240
National Item Identification Number:
013931686
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:
| 1921000 | 54287 | ALPHA OPTICAL SYSTEMS INC | | V-36-1049-01 | 33827 | BAE SYSTEMS INTEGRATED DEFENSE SOLUTIONS INC. | | V-36-1049-01 | K0668 | LEONARDO UK LTD |
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Techincal Specification:
| DIAMETER | 7.901 INCHES NOMINAL | | MATERIAL | ALUMINUM AND GLASS LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | POLISHED SURFACE | BOTH | | SPECIAL FEATURES | COMMON ACRONYM ALLTV |
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