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National Stock Number:
9340-00-275-7189
Federal Supply Class:
9340
National Item Identification Number:
002757189
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:
| 615264PC2 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 709061PC8 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | L67197-8 | 36090 | LOCKHEED MARTIN LIBRASCOPE CORP |
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Techincal Specification:
| FIRST CORNER RADIUS | 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | FOURTH CORNER RADIUS | 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | OVERALL LENGTH | 2.590 INCHES MINIMUM AND 2.650 INCHES MAXIMUM | | OVERALL THICKNESS | 0.220 INCHES MINIMUM AND 0.280 INCHES MAXIMUM | | OVERALL WIDTH | 2.350 INCHES MINIMUM AND 2.410 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-3787,CLASS 1,TYPE 1 MIL SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS SAFETY | | SECOND CORNER RADIUS | 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM | | STYLE DESIGNATOR | ROUNDED CORNERS | | SURFACE FINISH | POLISHED | | THIRD CORNER RADIUS | 0.090 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
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