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National Stock Number:
9340-00-255-9409
Federal Supply Class:
9340
National Item Identification Number:
002559409
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:
| 281243PC5 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| EDGE TYPE | BEVELED | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS PLATE | | OVERALL DIAMETER | 4.410 INCHES MINIMUM AND 4.440 INCHES MAXIMUM | | OVERALL THICKNESS | 0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM | | PLY QUANTITY | 2 | | SPECIAL FEATURES | 1 END 2.220 IN. RADIUSAND 2 CORNERS 0.500 IN RADIUS | | STYLE DESIGNATOR | HALF ROUND | | SURFACE FINISH | POLISHED |
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