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National Stock Number:
9330-00-531-3300
Federal Supply Class:
9330
National Item Identification Number:
005313300
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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Techincal Specification:
| ENVIRONMENTAL PROTECTION | DRY HEAT RESISTANT AND WEATHER RESISTANT | | OVERALL DIAMETER | 1.156 INCHES NOMINAL | | OVERALL THICKNESS | 0.078 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5425 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC | | MINIMUM TENSILE STRENGTH | 9000 POUNDS PER SQUARE INCH | | STYLE DESIGNATOR | CIRCULAR |
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