Part Details | OBSERVATION WINDOW
9340-00-180-7774 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: 55S139M001, 55S139M-001, 55S139M2, 55S0139M0010, 55S0139M-0010, 9340-00-180-7774, 00-180-7774, 9340001807774, 001807774
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | OCT 28, 1970 | 00-180-7774 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-180-7774
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 55S139M-001 | 53553 | AMETEK INCSCHUTTE AND KOERTING DIV |
| 55S139M2 | 53553 | AMETEK INCSCHUTTE AND KOERTING DIV |
| 55S0139M-0010 | 45984 | CONWAY-MCINTOSH AND ASSOCIATES |
Technical Data | NSN 9340-00-180-7774
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 5.313 INCHES MINIMUM AND 5.406 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.563 INCHES MINIMUM AND 0.688 INCHES MAXIMUM |
| MATERIAL | GLASS |
| SURFACE FINISH | FINE FINISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| PLY QUANTITY | 1 |
| ENVIRONMENTAL PROTECTION | ANY ACCEPTABLE |