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National Stock Number:
9330-00-008-5040
Federal Supply Class:
9330
National Item Identification Number:
000085040
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:
| 0N145438 | 98230 | NATIONAL SECURITY AGENCY |
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Techincal Specification:
| EDGE TYPE | FLAT FINISH | | FIRST CORNER RADIUS | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | FOURTH CORNER RADIUS | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | OVERALL LENGTH | 3.234 INCHES MINIMUM AND 3.250 INCHES MAXIMUM | | OVERALL THICKNESS | 0.040 INCHES NOMINAL | | OVERALL WIDTH | 1.234 INCHES MINIMUM AND 1.250 INCHES MAXIMUM | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC POLYCARBONATE | | PLY QUANTITY | 1 | | SECOND CORNER RADIUS | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUNDED CORNERS | | SURFACE FINISH | FINE FINISHED | | THIRD CORNER RADIUS | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
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