Part Details | OBSERVATION WINDOW
9340-00-273-9568 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.
Alternate Parts: 846456, 9340-00-273-9568, 00-273-9568, 9340002739568, 002739568
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-273-9568 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-273-9568
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 846456 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
Technical Data | NSN 9340-00-273-9568
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 4.000 INCHES NOMINAL |
| OVERALL THICKNESS | 0.375 INCHES NOMINAL |
| MATERIAL | GLASS |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| PLY QUANTITY | 1 |
| ENVIRONMENTAL PROTECTION | ANY ACCEPTABLE |
| SPECIAL FEATURES | 0.375 IN 45.0 DEG BEVEL ON 1 SIDE-3.625 IN DIA FACE ON BEVELED SIDE |