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National Stock Number:
9340-00-580-7109
Federal Supply Class:
9340
National Item Identification Number:
005807109
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:
| EDGE TYPE | BEVELED | | ENVIRONMENTAL PROTECTION | WEATHER RESISTANT | | OVERALL LENGTH | 9.000 INCHES NOMINAL | | OVERALL THICKNESS | 0.380 INCHES NOMINAL | | OVERALL WIDTH | 8.560 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-3787,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | SPECIAL FEATURES | ALL CORNERS BEVELED 0.120 IN. BY 45 DEG,SIDES TO BE SQUARE ANDPARALLEL WITHIN 0.020 IN. | | PLY QUANTITY | 2 | | STYLE DESIGNATOR | SQUARE CORNERS | | SURFACE FINISH | POLISHED |
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