Part Details | OBSERVATION WINDOW
9340-01-138-1520 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: 13220E8112, MILG3787, MIL-G-3787, 9340-01-138-1520, 01-138-1520, 9340011381520, 011381520
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 93 | SEP 08, 1982 | 01-138-1520 | 16880 ( WINDOW, OBSERVATION ) |
REFERENCE DRAWINGS & PICTURES
ROUNDED CORNERS
Cross Reference | NSN 9340-01-138-1520
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 13220E8112 | 97403 | CECOM LR CENTER |
| MIL-G-3787 | 81349 | MILITARY SPECIFICATIONSPROMULGATED BY MILITARY |
Technical Data | NSN 9340-01-138-1520
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | ROUNDED CORNERS |
| OVERALL LENGTH | 24.380 INCHES NOMINAL |
| OVERALL WIDTH | 24.380 INCHES NOMINAL |
| OVERALL THICKNESS | 0.250 INCHES NOMINAL |
| FIRST CORNER RADIUS | 4.690 INCHES NOMINAL |
| SECOND CORNER RADIUS | 4.690 INCHES NOMINAL |
| THIRD CORNER RADIUS | 4.690 INCHES NOMINAL |
| FOURTH CORNER RADIUS | 4.690 INCHES NOMINAL |
| MATERIAL | GLASS |
| MATERIAL DOCUMENT AND CLASSIFICATION | DD-G-451,CLASS 1,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| ENVIRONMENTAL PROTECTION | ANY ACCEPTABLE |
| NONDEFINITIVE SPEC/STD DATA | 1 CLASS AND I TYPE |