| 
                            
                                |  |  
                                |   |  
		                        | National Stock Number:
 9340-01-395-4879
 
 Federal Supply Class:
 9340
 
 National Item Identification Number:
 013954879
 
 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.
 |  
		                        | 
 Manufacturer Information:
 
 | KS-27648-B | 21204 | CORNELL-CARR CO., INC. |  | KS-27648-B | 81100 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION I DBA ES MARINE SYSTEMS | 
 |  
					            | 
 Techincal Specification:
 
 | MATERIAL TRANSPARENCY | CLEAR |  | MATERIAL | GLASS |  | OVERALL LENGTH | 23.000 INCHES NOMINAL |  | OVERALL THICKNESS | 1.687 INCHES NOMINAL |  | OVERALL WIDTH | 23.000 INCHES NOMINAL |  | SPECIAL FEATURES | ALUMINUM FRAME;ELECTRICALLY HEATED GLASS 115V; |  | STYLE DESIGNATOR | SQUARE CORNERS | 
 |  |