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National Stock Number:
9340-00-551-0542
Federal Supply Class:
9340
National Item Identification Number:
005510542
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:
| 3766-04REVAPCF11GLASS | 96169 | ELECTRIC BOAT CORPORATION | | 3900-23PC7 | 96169 | ELECTRIC BOAT CORPORATION | | 3900-23REVHPC7 | 96169 | ELECTRIC BOAT CORPORATION | | 575-5501-1442899REVAPCF11GLASS | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 8700-3176811REVHPC7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MIL-G-2697 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| EDGE TYPE | BEVELED | | OVERALL DIAMETER | 2.375 INCHES MINIMUM AND 2.380 INCHES MAXIMUM | | OVERALL THICKNESS | 0.500 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS PLATE | | NONDEFINITIVE SPEC/STD DATA | A TYPE | | SPECIAL FEATURES | HELD BY RETAINING RING,45.0 DEG CHAMFER 0.180 IN. DP ON EDGE | | STYLE DESIGNATOR | CIRCULAR |
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