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National Stock Number:
9340-01-416-8420
Federal Supply Class:
9340
National Item Identification Number:
014168420
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:
| 711363 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
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Techincal Specification:
| FEATURES PROVIDED | TEMPERED | | OVERALL LENGTH | 4.022 INCHES MINIMUM AND 4.052 INCHES MAXIMUM | | OVERALL THICKNESS | 0.131 INCHES MINIMUM AND 0.146 INCHES MAXIMUM | | OVERALL WIDTH | 0.658 INCHES MINIMUM AND 0.678 INCHES MAXIMUM | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS BOROSILICATE | | SPECIAL FEATURES | SURFACES (EXCLUDING EDGES) MUST BE POLISHED TO 50 MICRONS; BOROSILICATE GLASS: CORNING PYREX 7740 OR SCHOTT TEMPAX. | | STYLE DESIGNATOR | CHAMFERED CORNERS | | SURFACE FINISH | POLISHED |
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