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National Stock Number:
9340-00-553-1668
Federal Supply Class:
9340
National Item Identification Number:
005531668
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:
| STK0H-553-1668-0A3 | 13873 | DLA AVIATION | | STKOH-553-1668-OA3 | 13873 | DLA AVIATION |
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Techincal Specification:
| OVERALL DIAMETER | 7.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.109 INCHES NOMINAL | | MATERIAL | PLASTIC | | SPECIAL FEATURES | 0.594 IN.DIA.HOLE IN CENTER | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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