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National Stock Number:
9330-01-011-0177
Federal Supply Class:
9330
National Item Identification Number:
010110177
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:
| 0001650 | 92755 | NORTHROP GRUMMAN SYSTEMS CORP | | MIL-W-80 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| EDGE TYPE | FLAT FINISH | | DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY SPECIAL MARKINGSAND SPECIAL FEATURES | | ENVIRONMENTAL PROTECTION | DRY HEAT RESISTANT AND WEATHER RESISTANT | | OVERALL LENGTH | 7.880 INCHES NOMINAL | | OVERALL THICKNESS | 0.187 INCHES NOMINAL | | OVERALL WIDTH | 3.750 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-5425,FINISH A MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC | | SPECIAL FEATURES | 4 CORNER HOLES,0.189 IN. DIA,CENTER LOCATED 0.250IN. FROM WIDTH EDGE AND 0.380 IN. FROM LENGTH EDGE,OMIT IDENTIFICATION MARKINGS | | PLY QUANTITY | 1 | | SPECIAL MARKINGS | 115VAC,@0.500 IN. HIGH CHARCTERS,RED COLOR,CENTRALLY LOCATED | | STYLE DESIGNATOR | SQUARE CORNERS | | SURFACE FINISH | POLISHED |
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