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National Stock Number:
9340-00-254-5054
Federal Supply Class:
9340
National Item Identification Number:
002545054
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:
| 79106 | 03848 | ARMA DIV AMBAC INDUSTRIES INC |
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Techincal Specification:
| EDGE TYPE | FLAT FINISH | | ENVIRONMENTAL PROTECTION | WEATHER RESISTANT | | FIRST CORNER RADIUS | 0.500 INCHES NOMINAL | | FOURTH CORNER RADIUS | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-2857 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | OVERALL LENGTH | 3.469 INCHES MINIMUM AND 3.531 INCHES MAXIMUM | | OVERALL THICKNESS | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | OVERALL WIDTH | 2.469 INCHES MINIMUM AND 2.531 INCHES MAXIMUM | | PLY QUANTITY | 1 | | SECOND CORNER RADIUS | 0.500 INCHES NOMINAL | | SPECIAL FEATURES | GLASS TO BE COATED IN ACCORDANCE WITH MIL-I-983 | | STYLE DESIGNATOR | ROUNDED CORNERS | | SURFACE FINISH | POLISHED | | THIRD CORNER RADIUS | 0.500 INCHES NOMINAL |
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