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National Stock Number: 9340-01-135-5313
Federal Supply Class: 9340
National Item Identification Number: 011355313
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:
| 0N272191-3 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
| FIRST CORNER RADIUS | 0.060 INCHES NOMINAL | | FOURTH CORNER RADIUS | 0.060 INCHES NOMINAL | | MATERIAL TRANSPARENCY | CLEAR | | OVERALL LENGTH | 1.650 INCHES NOMINAL | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | OVERALL WIDTH | 1.120 INCHES NOMINAL | | SECOND CORNER RADIUS | 0.060 INCHES NOMINAL | | STYLE DESIGNATOR | ROUNDED CORNERS | | THIRD CORNER RADIUS | 0.060 INCHES NOMINAL |
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