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National Stock Number:
9340-00-073-8685
Federal Supply Class:
9340
National Item Identification Number:
000738685
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:
| 114C1156-4 | 77272 | THE BOEING COMPANY | | 114C1156-4 | 81205 | THE BOEING COMPANY |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5425,FINISH A MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC | | OVERALL LENGTH | 3.380 INCHES MINIMUM AND 3.420 INCHES MAXIMUM | | OVERALL THICKNESS | 0.125 INCHES NOMINAL | | OVERALL WIDTH | 1.330 INCHES MINIMUM AND 1.370 INCHES MAXIMUM | | PLY QUANTITY | 1 | | SPECIAL FEATURES | 4 MTG HOLES,0.124 IN. MIN,0.131 IN. MAX DIA,COUNTERBORED 0.249 IN. MIN,.257 IN. MAX DIA,2.960 IN. C TO C DISTANCE ALONG THE LG,0.910 IN. C TO C DISTANCE ALONG THE W | | SPECIAL MARKINGS | NUMERALS AND CALIBRATIONS ENGRAVED AND FILLED W/FLUORESCENT LUMINESCENT PALE YELLOW PAINT PER MIL-L-25142 | | STYLE DESIGNATOR | SQUARE CORNERS |
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