NSN 9340-00-641-0791
Part Details | OBSERVATION WINDOW
9340-00-641-0791 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: 244495, 655364, 417164PC4, 9340-00-641-0791, 00-641-0791, 9340006410791, 006410791
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-641-0791 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
ROUNDED CORNERS
Cross Reference | NSN 9340-00-641-0791
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 244495 | 56232 | LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN |
| 655364 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 417164PC4 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 9340-00-641-0791
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUNDED CORNERS |
| OVERALL LENGTH | 4.969 INCHES NOMINAL |
| OVERALL WIDTH | 3.594 INCHES NOMINAL |
| OVERALL THICKNESS | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| FIRST CORNER RADIUS | 1.000 INCHES NOMINAL |
| SECOND CORNER RADIUS | 1.000 INCHES NOMINAL |
| THIRD CORNER RADIUS | 1.000 INCHES NOMINAL |
| FOURTH CORNER RADIUS | 1.000 INCHES NOMINAL |
| MATERIAL | GLASS CROWN |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | BEVELED |
| ENVIRONMENTAL PROTECTION | ANY ACCEPTABLE |
