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National Stock Number:
9330-01-267-7903
Federal Supply Class:
9330
National Item Identification Number:
012677903
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:
| WD8500-25 | 10241 | TELEPHONE SYSTEMS/COMMUNICATIONS |
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Techincal Specification:
| OVERALL LENGTH | 2.250 INCHES NOMINAL | | OVERALL THICKNESS | 0.062 INCHES NOMINAL | | OVERALL WIDTH | 0.680 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-391,GRADE C,TYPE III FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC METHYL METHACRYLATE | | MINIMUM TENSILE STRENGTH | 9000 POUNDS PER SQUARE INCH | | SPECIAL FEATURES | TWO 0.156 IN. DIA HOLES SPACED 1.875 IN. C TO C | | STYLE DESIGNATOR | SQUARE CORNERS |
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