|
|
|
National Stock Number:
9340-00-254-5052
Federal Supply Class:
9340
National Item Identification Number:
002545052
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:
| 1122 | 56232 | LOCKHEED MARTIN CORPORATION |
|
Techincal Specification:
| MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS | | OVERALL DIAMETER | 19.312 INCHES NOMINAL | | OVERALL THICKNESS | 0.188 INCHES NOMINAL | | SPECIAL FEATURES | CONVEXSURFACEON15.250RADIUS | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
|
|