NSN 9340-00-553-7523
Part Details | OBSERVATION WINDOW
9340-00-553-7523 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: 1181784, 17981114P1, 1798-1114P1, 17981114P1, 1798-1114P1, 17981114P1, 1798-1114P1, 9340-00-553-7523, 00-553-7523, 9340005537523, 005537523
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-553-7523 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-553-7523
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1181784 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 1798-1114P1 | 54X10 | RAYTHEON COMPANYDBA RAYTHEON |
| 1798-1114P1 | 49956 | RAYTHEON COMPANYDBA RAYTHEON |
| 1798-1114P1 | 3B150 | RAYTHEON COMPANYDBA RAYTHEON |
Technical Data | NSN 9340-00-553-7523
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 12.625 INCHES NOMINAL |
| OVERALL THICKNESS | 0.031 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| MATERIAL | GLASS BOROSILICATE |
| SURFACE FINISH | POLISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| PLY QUANTITY | 1 |
| SPECIAL FEATURES | ONE SIDE TREATED FOR 2 PCT MAX REFLECTIVITY AND THE OTHER SIDE FOR APPROX 30 PCT REFLECTIVITY A 0.125 IN. DIA RED DOT APPLIED TO THE HIGHLY REFLECTIVE SIDE 0.250 IN. FROM THE PERIPHERY |
