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National Stock Number:
9330-00-628-0806
Federal Supply Class:
9330
National Item Identification Number:
006280806
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:
| 47-645-233-1 | 97499 | BELL TEXTRON INC | | 6680-0H13-001 | 81996 | U S ARMY AVIATION AND MISSILE COMMAND |
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Techincal Specification:
| OVERALL DIAMETER | 0.497 INCHES MINIMUM AND 0.499 INCHES MAXIMUM | | OVERALL THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-8184,FINISH A MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC METHYL METHACRYLATE | | PLY QUANTITY | 1 | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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