NSN 9340-00-531-1979
Part Details | OBSERVATION WINDOW
9340-00-531-1979 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: 7632377, 9340-00-531-1979, 00-531-1979, 9340005311979, 005311979
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-531-1979 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-531-1979
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7632377 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 9340-00-531-1979
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 0.740 INCHES MINIMUM AND 0.745 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM |
| MATERIAL | GLASS |
| MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | POLISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | BEVELED |
| PLY QUANTITY | 1 |
| SPECIAL FEATURES | EDGE BEVELED 0.062 IN BY 45.0DEG |
