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National Stock Number:
9340-01-225-0046
Federal Supply Class:
9340
National Item Identification Number:
012250046
Description:
WINDOW,OBSERVATION
Detail:
A TRANSPARENT ITEM OF A PREDETERMINED SIZE THAT PERMITS UNOBSTRUCTED AND UNDISTORTED VIEW OF A DESIRED AREA. IT MAY INCLUDE A FRAME, HAVE REFERENCE MARKINGS, GRID LINES AND MAY BE HEAT STRENGTHENED AND/OR TINTED. IT IS GENERALLY USED WHERE SAFETY, SECURITY, AND/OR THE RESTRICTION OF FOREIGN MATTER ARE REQUIRED, SUCH AS THE VISUAL EXAMINATION OF THE INSIDE OF PRESSURIZED TANKS, LIQUID SIGHTS, CONTROLLED LIQUID FLOW, AND INSPECTION OF EQUIPMENT ENCLOSED IN A HOUSING. SEE WINDOW (AS MODIFIED); SCALE, CATHODE RAY TUBE; SCALE, PLOTTING; WINDOW, METAL; WINDOW, WOOD; AND WINDOW PANEL, AIRCRAFT.
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Manufacturer Information:
| 297-13583-2 | 11530 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN INFORMATION SYSTEMS & GLOBAL SOLUTIONS | | 297-13583-2 | 46859 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN GOVERNMENT |
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Techincal Specification:
| EDGE TYPE | BEVELED | | OVERALL LENGTH | 12.910 INCHES MINIMUM AND 12.970 INCHES MAXIMUM | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | OVERALL WIDTH | 10.040 INCHES MINIMUM AND 10.100 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | TRANSLUCENT | | MATERIAL | GLASS SAFETY | | PLY QUANTITY | 2 | | STYLE DESIGNATOR | SQUARE CORNERS | | SURFACE FINISH | POLISHED |
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