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National Stock Number:
9340-00-684-0873
Federal Supply Class:
9340
National Item Identification Number:
006840873
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:
| 1870403 | 10001 | NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER | | 1870403 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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Techincal Specification:
| EDGE TYPE | FLAT FINISH | | ENVIRONMENTAL PROTECTION | SHATTER PROOF | | OVERALL DIAMETER | 2.617 INCHES MINIMUM AND 2.620 INCHES MAXIMUM | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS SAFETY | | PLY QUANTITY | 1 | | SPECIAL FEATURES | WHITE LINE 0.020 IN. W THROUGH CENTER 0.750 IN. LG | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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