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National Stock Number:
9340-00-468-1415
Federal Supply Class:
9340
National Item Identification Number:
004681415
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:
| 88464 | 53964 | KAYDON CUSTOM FILTRATION CORPORATION | | MILG2857 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | | WW8118760SH1PCF0R68 | 24446 | GENERAL ELECTRIC COMPANY | | WW8118760SH2PCF0R68 | 24446 | GENERAL ELECTRIC COMPANY |
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Techincal Specification:
| MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | OVERALL DIAMETER | 2.125 INCHES NOMINAL | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | SPECIAL MARKINGS | HEAT TREATED | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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