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National Stock Number:
9330-01-507-5637
Federal Supply Class:
9330
National Item Identification Number:
015075637
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:
| 80805/0200.05 | 0SJM3 | QUALITY PERFORMANCE INC |
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Techincal Specification:
| EDGE TYPE | BEVELED | | OVERALL DIAMETER | 56.0 MILLIMETERS NOMINAL | | OVERALL THICKNESS | 8.0 MILLIMETERS NOMINAL | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | PLASTIC ACRYLIC | | SPECIAL FEATURES | BOTTOM 4.0 MM RECESSED 7.0 - 7.2 MM; TOP EDGE CHAMFERED 45 DEGREES TO DEPTH OF 1.5 MM; TOP AND BOTTOM SURFACES TO BE POLISHED AND VISUALLY CLEAR WITHOUT SCRATCHES; ALL OTHER EDGES TO BE MACHINED BUT NOT POLISHED | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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