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National Stock Number:
9340-01-235-0979
Federal Supply Class:
9340
National Item Identification Number:
012350979
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:
| J49W0076-1 | 12464 | MCDONNELL DOUGLAS CORP MCDONNELL DOUGLAS ELECTRONIC SYSTEMS CO | | J49W0076-1 | 76301 | THE BOEING COMPANY |
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Techincal Specification:
| OVERALL LENGTH | 0.687 INCHES MINIMUM AND 0.697 INCHES MAXIMUM | | OVERALL THICKNESS | 0.039 INCHES NOMINAL | | OVERALL WIDTH | 0.455 INCHES MINIMUM AND 0.465 INCHES MAXIMUM | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | SPECIAL FEATURES | ANTI-REFLECTIVE COATING PER MIL-C-14806 | | STYLE DESIGNATOR | CHAMFERED CORNERS |
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