NSN 9340-00-643-1654
Part Details | OBSERVATION WINDOW
9340-00-643-1654 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: 3K1L27, 3K1L27P1, 9340-00-643-1654, 00-643-1654, 9340006431654, 006431654
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-643-1654 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
HALF ROUND
Cross Reference | NSN 9340-00-643-1654
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 3K1L27 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| 3K1L27P1 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH |
Technical Data | NSN 9340-00-643-1654
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | HALF ROUND |
| OVERALL WIDTH | 1.281 INCHES NOMINAL |
| OVERALL DIAMETER | 2.078 INCHES NOMINAL |
| OVERALL THICKNESS | 0.125 INCHES NOMINAL |
| MATERIAL | GLASS |
| MATERIAL TRANSPARENCY | CLEAR |
