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National Stock Number:
9340-00-641-0791
Federal Supply Class:
9340
National Item Identification Number:
006410791
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:
| 244495 | 56232 | LOCKHEED MARTIN CORPORATION | | 417164PC4 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 655364 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER |
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Techincal Specification:
| EDGE TYPE | BEVELED | | FIRST CORNER RADIUS | 1.000 INCHES NOMINAL | | FOURTH CORNER RADIUS | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 4.969 INCHES NOMINAL | | OVERALL THICKNESS | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM | | OVERALL WIDTH | 3.594 INCHES NOMINAL | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS CROWN | | SECOND CORNER RADIUS | 1.000 INCHES NOMINAL | | STYLE DESIGNATOR | ROUNDED CORNERS | | THIRD CORNER RADIUS | 1.000 INCHES NOMINAL |
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