Part Details | OBSERVATION WINDOW
9340-00-447-1801 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: B5590, 89912551, 8991255-1, 89912551, 8991255-1, 9340-00-447-1801, 00-447-1801, 9340004471801, 004471801
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-447-1801 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-447-1801
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| B5590 | 70925 | BIJUR LUBRICATING CORP |
| 8991255-1 | 49671 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 8991255-1 | 02769 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
Technical Data | NSN 9340-00-447-1801
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 0.878 INCHES MINIMUM AND 0.879 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.300 INCHES NOMINAL |
| MATERIAL | GLASS |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| INSULATING AIR SPACE MATERIAL ARRANGEMENT | METAL TO GLASS |
| END ITEM IDENTIFICATION | RADAR SET,AN/UPS-1 |
| FSC APPLICATION DATA | GLASS FABRICATED MATERIALS |