NSN 9340-00-990-7252
Part Details | OBSERVATION WINDOW
9340-00-990-7252 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: 8619815, 9340-00-990-7252, 00-990-7252, 9340009907252, 009907252
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-990-7252 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CHAMFERED CORNERS
Cross Reference | NSN 9340-00-990-7252
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 8619815 | 19200 | US ARMY ARDEC RDECOM |
Technical Data | NSN 9340-00-990-7252
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CHAMFERED CORNERS |
| OVERALL LENGTH | 3.220 INCHES MINIMUM AND 3.235 INCHES MAXIMUM |
| OVERALL WIDTH | 8.845 INCHES MINIMUM AND 8.860 INCHES MAXIMUM |
| OVAL END RADIUS | 1.617 INCHES NOMINAL |
| OVERALL THICKNESS | 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| MATERIAL | GLASS |
| SURFACE FINISH | POLISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| PLY QUANTITY | 1 |
| SPECIAL FEATURES | LIGHT DEVIATION NOT TO EXCEED 30 SECONDS OF ARC; SURFACE QUALITY 80-50; ONE EDGE 0.115 IN./FACE WIDTH/BY 45 DEG CHAMFER |