NSN 9340-00-256-5201
Part Details | OBSERVATION WINDOW
9340-00-256-5201 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: 5331, 9340-00-256-5201, 00-256-5201, 9340002565201, 002565201
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | MAR 24, 1971 | 00-256-5201 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
SQUARE CORNERS
Cross Reference | NSN 9340-00-256-5201
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5331 | 14674 | CORNING GLASS WORKS |
Technical Data | NSN 9340-00-256-5201
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | SQUARE CORNERS |
| OVERALL LENGTH | 4.000 INCHES NOMINAL |
| OVERALL WIDTH | 5.000 INCHES NOMINAL |
| OVERALL THICKNESS | 0.125 INCHES NOMINAL |
| MATERIAL | GLASS |
| MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-541,TYPE 1,CLASS A FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| PLY QUANTITY | 1 |
| ENVIRONMENTAL PROTECTION | DRY HEAT RESISTANT |
