NSN 5840-00-356-4957 SMB15141, 312569, 00-356-4957
Product Details | OBSERVATION WINDOW
5840-00-356-4957 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.20293300029Plastics Fabricated Materials93400026Glass Fabricated Materials
Part Alternates: SMB15141, 312569, 5840-00-356-4957, 00-356-4957, 5840003564957, 003564957
Communication, Detection, and Coherent Radiation Equipment | Radar Equipment, Except Airborne
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 58 | 00-356-4957 | 16880 ( WINDOW, OBSERVATION ) |
Drawings & Photos | NSN 5840-00-356-4957
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Technical Data | NSN 5840-00-356-4957
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | 4 CIRCULAR |
| OVERALL DIAMETER | 3.109 INCHES NOMINAL |
| OVERALL THICKNESS | 0.125 INCHES NOMINAL |
| MATERIAL | PLASTIC |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-8I84 MIL SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | FINE FINISHED |
| MATERIAL TRANSPARENCY | CLEAR |
| EDGE TYPE | FLAT FINISH |
| PLY QUANTITY | 1 |
| TEMP AT MAXIMUM OPERATING PRESSURE | NOT RATED |
| MAXIMUM OPERATING PRESSURE | NOT RATED |
| HARDNESS RATING | NOT RATED |
| MINIMUM TENSILE STRENGTH | NOT RATED |
| ENVIRONMENTAL PROTECTION | WEATHER RESISTANT |
| RADIATION PROTECTION RATING | NOT RATED |
| MANUFACTURERS CODE | 80063 |
| DESIGN CONTROL REFERENCE | SMB15141 |
Restrictions/Controls & Freight Information | NSN 5840-00-356-4957
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||