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National Stock Number:
9340-01-138-1520
Federal Supply Class:
9340
National Item Identification Number:
011381520
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:
| 13220E8112 | 97403 | CECOM LR CENTER | | MIL-G-3787 | 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 | FLAT FINISH | | FIRST CORNER RADIUS | 4.690 INCHES NOMINAL | | FOURTH CORNER RADIUS | 4.690 INCHES NOMINAL | | OVERALL LENGTH | 24.380 INCHES NOMINAL | | OVERALL THICKNESS | 0.250 INCHES NOMINAL | | OVERALL WIDTH | 24.380 INCHES NOMINAL | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451,CLASS 1,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND I TYPE | | SECOND CORNER RADIUS | 4.690 INCHES NOMINAL | | STYLE DESIGNATOR | ROUNDED CORNERS | | THIRD CORNER RADIUS | 4.690 INCHES NOMINAL |
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