NSN 9340-00-031-1889
Part Details | OBSERVATION WINDOW
9340-00-031-1889 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: 0005674, 0-005674, 0005572, 0-005572, 9340-00-031-1889, 00-031-1889, 9340000311889, 000311889
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) | 
|---|---|---|---|
| 93 | JAN 01, 1963 | 00-031-1889 | 16880 ( WINDOW, OBSERVATION ) | 
REFERENCE DRAWINGS & PICTURES
SQUARE CORNERS
 
					Cross Reference | NSN 9340-00-031-1889
| Part Number | Cage Code | Manufacturer | 
|---|---|---|
| 0-005674 | 55026 | SIMPSON ELECTRIC COMPANY | 
| 0-005572 | 55026 | SIMPSON ELECTRIC COMPANY | 
Technical Data | NSN 9340-00-031-1889
| Characteristic | Specifications | 
|---|---|
| STYLE DESIGNATOR | SQUARE CORNERS | 
| OVERALL LENGTH | 5.126 INCHES NOMINAL | 
| OVERALL WIDTH | 4.126 INCHES NOMINAL | 
| OVERALL THICKNESS | 0.438 INCHES NOMINAL | 
| MATERIAL | GLASS | 
| MATERIAL TRANSPARENCY | CLEAR | 
| PLY QUANTITY | 1 | 
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE FRAME REQUIREMENT AND ZERO ADJUSTER |