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National Stock Number:
9340-00-468-1418
Federal Supply Class:
9340
National Item Identification Number:
004681418
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:
| 19D5003P3 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 1JH1922REVAPC6 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 1JH2798REVCPC5 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 228-63-0446ITEM43 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 304-63-0224ITEM37 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 308-63-0234ITEM37 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 55J466SUB3ITEM6 | 79500 | WESTINGHOUSE ELECTRIC CORP | | 563-4105-1089738ITEM7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 567-4105-1160780ITEM6 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 6101-1493612REVAPC6 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 3135921PC28GLASS | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 3168128PC34 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 405-4105-538528ITEM30 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | 4111-1559407REVCPC5 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | F1067ITEM37 | 72957 | ELLIOTT COMPANY | | F1070ITEM37 | 72957 | ELLIOTT COMPANY | | F1128-2ITEM30 | 72957 | ELLIOTT COMPANY | | F917ITEM43 | 72957 | ELLIOTT COMPANY | | F924ITEM43 | 72957 | ELLIOTT COMPANY | | G182-1PCF0R33 | 72957 | ELLIOTT COMPANY | | G267-2SH2ITEM7 | 72957 | ELLIOTT COMPANY | | G495-1PC28GLASS | 72957 | ELLIOTT COMPANY | | G503SH1ITEM11 | 72957 | ELLIOTT COMPANY | | G536-2PC34 | 72957 | ELLIOTT COMPANY | | G549-1SH1ITEM8 | 72957 | ELLIOTT COMPANY | | T1-4111-1441242ITEM8 | 80064 | NAVAL SHIP SYSTEMS COMMAND | | MILG2857 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
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Techincal Specification:
| OVERALL DIAMETER | 1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM | | OVERALL THICKNESS | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM | | MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | SPECIAL FEATURES | MARKING 0.250 IN FROM EDGE | | SPECIAL MARKINGS | HEAT TREATED | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
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