NSN 9340-00-575-0740
Part Details | OBSERVATION WINDOW
9340-00-575-0740 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: 10545027, 9340-00-575-0740, 00-575-0740, 9340005750740, 005750740
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 19, 1968 | 00-575-0740 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-575-0740
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10545027 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 9340-00-575-0740
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 4.610 INCHES MINIMUM AND 4.630 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
| MATERIAL | GLASS |
| SURFACE FINISH | POLISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | BEVELED |
| PLY QUANTITY | 1 |
| SPECIAL FEATURES | SURFACE QUALITY 80-50 AND COATED TO REDUCE REFLECTION |
