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National Stock Number:
9340-00-802-3139
Federal Supply Class:
9340
National Item Identification Number:
008023139
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:
| 3502-1028P1 | 49956 | RAYTHEON COMPANY | | 3502-1028P1 | 99687 | RAYTHEON CO EQUIPMENT DEVELOPMENT LAB |
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Techincal Specification:
| EDGE TYPE | FLAT FINISH | | OVERALL DIAMETER | 6.344 INCHES MINIMUM AND 6.406 INCHES MAXIMUM | | OVERALL THICKNESS | 0.125 INCHES NOMINAL | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS SAFETY | | STYLE DESIGNATOR | CIRCULAR |
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