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National Stock Number:
9340-01-334-4881
Federal Supply Class:
9340
National Item Identification Number:
013344881
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:
| 501842-903 | 65092 | SOLARTRON ELECTRONICS INC WESTON INSTRUMENTS DIV |
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Techincal Specification:
| MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | III STYLE DESIGNATOR | CIRCULAR | | PROPRIETARY CHARACTERISTICS | PACS | | OVERALL DIAMETER | 1.405 INCHES MINIMUM AND 1.415 INCHES MAXIMUM | | OVERALL THICKNESS | 0.085 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | | SPECIAL FEATURES | ANTI-REFLECTIVE COATING PER WESTON SPEC 558 PARAGRAPH 6.3 AND 8.0; SOLDER COAT METALLIZED EDGES WITH SOLDER COMPOSITION SN63 PER FS QQ-S-571,TO A THICKNESS OF .001 TO .005 |
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