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National Stock Number:
9340-00-360-9420
Federal Supply Class:
9340
National Item Identification Number:
003609420
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:
| 10559932 | 19200 | US ARMY ARDEC RDECOM |
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Techincal Specification:
| OVERALL DIAMETER | 2.746 INCHES MINIMUM AND 2.752 INCHES MAXIMUM | | OVERALL THICKNESS | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-174,GRADE C,TYPE 586-460 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-G-174,GRADE C,TYPE 523-586 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | STYLE DESIGNATOR | CIRCULAR |
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