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National Stock Number:
1240-01-186-1796
Federal Supply Class:
1240
National Item Identification Number:
011861796
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:
| 242387 | 09205 | LOCKHEED MARTIN CORP ELECTRONICS AND MISSILES DIV | | 242387 | 22669 | COHERENT AEROSPACE & DEFENSE, INC. | | 242387 | 46555 | APPLIED BIOSYSTEMS, LLC | | 242387 | 8F963 | GOODRICH CORPORATION |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | FEAT | | LENGTH | 6.712 INCHES NOMINAL | | MATERIAL | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED | | POLISHED PERIPHERY | NOT PROVIDED | | THICKNESS | 0.390 INCHES NOMINAL | | SPECIAL FEATURES | WEAPON SYSTEM ESSENTIAL | | WIDTH | 6.461 INCHES NOMINAL |
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