NSN 9340-00-684-0873
Part Details | OBSERVATION WINDOW
9340-00-684-0873 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: 1870403, 1870403, 9340-00-684-0873, 00-684-0873, 9340006840873, 006840873
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-684-0873 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
CIRCULAR
Cross Reference | NSN 9340-00-684-0873
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1870403 | 10001 | NAVAIR AND NAVSEA MANAGEDORIGINAL DESIGN ACTIVITY DWG NOT |
| 1870403 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 9340-00-684-0873
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | CIRCULAR |
| OVERALL DIAMETER | 2.617 INCHES MINIMUM AND 2.620 INCHES MAXIMUM |
| OVERALL THICKNESS | 0.250 INCHES NOMINAL |
| MATERIAL | GLASS SAFETY |
| MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | POLISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| PLY QUANTITY | 1 |
| ENVIRONMENTAL PROTECTION | SHATTER PROOF |
| SPECIAL FEATURES | WHITE LINE 0.020 IN. W THROUGH CENTER 0.750 IN. LG |