Part Details | OBSERVATION WINDOW
9340-00-486-8491 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: 7586121X2R1, 75861-21X2R1, 7586121X02R01, 75861-21X02R01, 758612102R01, 75861-21-02R01, 9340-00-486-8491, 00-486-8491, 9340004868491, 004868491
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | MAY 30, 1969 | 00-486-8491 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-486-8491
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 75861-21X2R1 | 96169 | ELECTRIC BOAT CORPORATION |
| 75861-21X02R01 | 96169 | ELECTRIC BOAT CORPORATION |
| 75861-21-02R01 | 96169 | ELECTRIC BOAT CORPORATION |
Technical Data | NSN 9340-00-486-8491
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 2.998 INCHES MINIMUM AND 3.000 INCHES MAXIMUM |
| OVERALL THICKNESS | 1.250 INCHES NOMINAL |
| MATERIAL | GLASS |
| EDGE TYPE | BEVELED |
| PLY QUANTITY | 1 |
| FEATURES PROVIDED | FRAME |