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National Stock Number:
1240-01-068-2421
Federal Supply Class:
1240
National Item Identification Number:
010682421
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:
| 048080 | 34228 | L3 TECHNOLOGIES, INC. | | 12266880 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | | 957C048080 | 34228 | L3 TECHNOLOGIES, INC. |
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Techincal Specification:
| DIAMETER | 50.6 MILLIMETERS MINIMUM AND 51.0 MILLIMETERS MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL | GLASS OPTICAL | | POLISHED PERIPHERY | NOT PROVIDED | | THICKNESS | 5.8 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
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