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National Stock Number: 9330-01-042-2004
Federal Supply Class: 9330
National Item Identification Number: 010422004
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:
A51B16179-11 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORATION | A51B16179-11 | 61174 | NORTHROP GRUMMAN SYSTEMS CORPORATION | A51B16179-11 | 79RG9 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
COLOR | WHITE, OPAL | HEAT ABSORBING CHARACTERISTIC | HIGH LIGHT TRANSMISSION | INSULATING AIR SPACE MATERIAL ARRANGEMENT | PLASTIC TO PLASTIC | OVERALL DIAMETER | 1.200 INCHES NOMINAL | OVERALL THICKNESS | 0.187 INCHES NOMINAL | MATERIAL DOCUMENT AND CLASSIFICATION | G-4104AHA FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE | MATERIAL TRANSPARENCY | CLEAR | MATERIAL | PLASTIC | PLY QUANTITY | 1 | STYLE DESIGNATOR | CIRCULAR | SURFACE FINISH | FINE FINISHED |
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