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National Stock Number: 9340-00-641-6298
Federal Supply Class: 9340
National Item Identification Number: 006416298
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:
MILG2697 | 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 | 2.062 INCHES NOMINAL | OVERALL THICKNESS | 0.250 INCHES NOMINAL | MATERIAL TRANSPARENCY | CLEAR | MATERIAL | GLASS | NONDEFINITIVE SPEC/STD DATA | A TYPE | SPECIAL FEATURES | IMPACT TEST MIL-G-2929/CANCELLED/F-3/2/G APPLIES | STYLE DESIGNATOR | CIRCULAR | SURFACE FINISH | GROUND |
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