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National Stock Number:
1240-01-341-7433
Federal Supply Class:
1240
National Item Identification Number:
013417433
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:
| 13294621 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND | | 13294621 | 82577 | RAYTHEON COMPANY | | 13294621 | 8F963 | GOODRICH CORPORATION |
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Techincal Specification:
| BEVEL ANGLE IN DEG | 45.000 NOMINAL | | BEVEL DEPTH | 0.125 INCHES NOMINAL | | LENGTH | 5.050 INCHES MINIMUM AND 5.060 INCHES MAXIMUM | | POLISHED PERIPHERY | NOT PROVIDED | | THICKNESS | 0.405 INCHES NOMINAL | | WIDTH | 2.565 INCHES MINIMUM AND 2.575 INCHES MAXIMUM |
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