Part Details | OBSERVATION WINDOW
9340-00-142-0979 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: B26232, B2623-2, 54759H179PCQ3, 547-59H179PCQ3, MILG2697, 466333CSPCQ3, 417885PCQ3, 35748PCQ3, 35087PCQ3, 9340-00-142-0979, 00-142-0979, 9340001420979, 001420979
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-142-0979 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-142-0979
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| B2623-2 | 95094 | CLARK-RELIANCE CORPORATIONDBA JACOBY TARBOX CO |
| 547-59H179PCQ3 | 14921 | CRAMP SHIPBUILDING AND DRYDOCK CO |
| MILG2697 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
| 466333CSPCQ3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 417885PCQ3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
| 35748PCQ3 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
| 35087PCQ3 | 81316 | PORTSMOUTH NAVAL SHIPYARD |
Technical Data | NSN 9340-00-142-0979
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 4.000 INCHES NOMINAL |
| OVERALL THICKNESS | 0.625 INCHES NOMINAL |
| MATERIAL | GLASS |
| SURFACE FINISH | POLISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT UNFINISHED |
| PLY QUANTITY | 1 |
| NONDEFINITIVE SPEC/STD DATA | A TYPE |