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National Stock Number:
9330-00-978-4303
Federal Supply Class:
9330
National Item Identification Number:
009784303
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:
| 9987912 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| EDGE TYPE | FLAT FINISH | | ENVIRONMENTAL PROTECTION | DRY HEAT RESISTANT AND WEATHER RESISTANT | | OVERALL LENGTH | 4.980 INCHES MINIMUM AND 5.020 INCHES MAXIMUM | | OVERALL THICKNESS | 0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM | | OVERALL WIDTH | 2.580 INCHES MINIMUM AND 2.620 INCHES MAXIMUM | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC | | MINIMUM TENSILE STRENGTH | 8000 POUNDS PER SQUARE INCH | | PLY QUANTITY | 1 | | SPECIAL FEATURES | HAS FOUR 0.205 IN. DIA MTG HOLES SPACED 4.400 IN. BY 2.000 IN. C TO C | | STYLE DESIGNATOR | SQUARE CORNERS | | SURFACE FINISH | POLISHED |
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