|
|
|
National Stock Number:
9340-00-763-2700
Federal Supply Class:
9340
National Item Identification Number:
007632700
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:
| 7632700 | 19200 | US ARMY ARDEC RDECOM |
|
Techincal Specification:
| CRITICALITY CODE JUSTIFICATION | ADAV | | OVERALL DIAMETER | 2.247 INCHES MINIMUM AND 2.250 INCHES MAXIMUM | | OVERALL THICKNESS | 0.292 INCHES MINIMUM AND 0.332 INCHES MAXIMUM | | MATERIAL TRANSPARENCY | CLEAR | | MATERIAL | GLASS BOROSILICATE | | PLY QUANTITY | 1 | | SPECIAL FEATURES | LIGHT DEVIATION NOT TO EXCEED 5 SECONDS OF ARC AND SURFACE QUALITY 80-50 | | STYLE DESIGNATOR | CIRCULAR | | SURFACE FINISH | POLISHED |
|
|