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National Stock Number: 9340-01-497-9536
Federal Supply Class: 9340
National Item Identification Number: 014979536
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:
569-7067779-638 | 53711 | NAVAL SEA SYSTEMS COMMAND | 71-02227 | 0ZK58 | TECKNIT SHIELDING SYSTEMS INC | 71-02227 | 1F9R3 | TECKNIT SHIELDING SYSTEMS, INC. | H677-2601-194 | 96169 | ELECTRIC BOAT CORPORATION | H677-2601-347 | 96169 | ELECTRIC BOAT CORPORATION | H677-2601-499 | 96169 | ELECTRIC BOAT CORPORATION | H677-2601-58 | 96169 | ELECTRIC BOAT CORPORATION | H677-2601-638 | 96169 | ELECTRIC BOAT CORPORATION | H677-2601-787 | 96169 | ELECTRIC BOAT CORPORATION |
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Techincal Specification:
FEATURES PROVIDED | CONDUCTIVE COATING AND FRAME | HEAT ABSORBING CHARACTERISTIC | LOW LIGHT TRANSMISSION | OVERALL LENGTH | 21.760 INCHES NOMINAL | OVERALL THICKNESS | 0.600 INCHES NOMINAL | OVERALL WIDTH | 14.000 INCHES NOMINAL | MATERIAL TRANSPARENCY | CLEAR | MATERIAL | GLASS | PLY QUANTITY | 2 | SPECIAL FEATURES | WINDOW HAS EMI SHIELDING VIA A VERY THIN DEPOSIT OF ECTC (ELECTRICALLY CONDUCTIVE TRANSPARENT COATING - TECKNIT SILVER ACRYLIC) ONTO THE GLASS; PROVIDED WITH EMI GASKETING; HAS NOMINAL RESISTIVITY OF 14.0 OHMS/SQUARE AND LIGHT TRANSMISSION OF ABOUT 70 PERCENT; DRAWING CALLS THIS: WINDOW ASSEMBLY | STYLE DESIGNATOR | SQUARE CORNERS | TEMP AT MAXIMUM OPERATING PRESSURE | 167.0 FAHRENHEIT |
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