NSN 9340-00-641-3987
Part Details | OBSERVATION WINDOW
9340-00-641-3987 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: 1170529, 9340-00-641-3987, 00-641-3987, 9340006413987, 006413987
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-641-3987 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-641-3987
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1170529 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
Technical Data | NSN 9340-00-641-3987
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 2.219 INCHES MINIMUM AND 2.281 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.182 INCHES MINIMUM AND 0.203 INCHES MAXIMUM |
| MATERIAL | GLASS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-3787,CLASS 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL TRANSPARENCY | CLEAR |
