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National Stock Number: 9330-01-387-0313
Federal Supply Class: 9330
National Item Identification Number: 013870313
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:
| 0313987 | 28687 | NAVY, UNITED STATES DEPARTMENT OF THE SPAWAR DBA SPACE AND NAVAL WAFARE COMMAND |
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Techincal Specification:
| FIRST CORNER RADIUS | 0.120 INCHES NOMINAL | | FOURTH CORNER RADIUS | 0.120 INCHES NOMINAL | | OVERALL LENGTH | 6.800 INCHES NOMINAL | | OVERALL THICKNESS | 0.093 INCHES NOMINAL | | OVERALL WIDTH | 3.100 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-391, TYPE 1, GRADE C FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC | | SECOND CORNER RADIUS | 0.120 INCHES NOMINAL | | STYLE DESIGNATOR | ROUNDED CORNERS | | SURFACE FINISH | FINE FINISHED | | THIRD CORNER RADIUS | 0.120 INCHES NOMINAL |
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