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National Stock Number:
9340-00-851-3913
Federal Supply Class:
9340
National Item Identification Number:
008513913
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:
| 8616003 | 19200 | US ARMY ARDEC RDECOM | | 8616003 | 54159 | MARK OPTICS, INC. | | 8616003 | 67328 | BOND OPTICS, LLC |
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Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ADAV AND ADUM | | FSC APPLICATION DATA | TELESCOPE | | OVERALL DIAMETER | 0.807 INCHES MINIMUM AND 0.810 INCHES MAXIMUM | | OVERALL LENGTH | 0.530 INCHES MINIMUM AND 0.550 INCHES MAXIMUM | | OVERALL THICKNESS | 0.074 INCHES MINIMUM AND 0.079 INCHES MAXIMUM | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS SODA-LIME | | PLY QUANTITY | 1 | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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