NSN 4820-01-258-0697 20104201, 201-042-01, 20104201N
Product Details | PRESSURE AND TEMPERATURE RELIEF VALVE
4820-01-258-0697 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.
Part Alternates: 20104201, 201-042-01, 20104201N, 201-042-01N, 4820-01-258-0697, 01-258-0697, 4820012580697, 012580697
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 27 JUN 1987 | 01-258-0697 | 16996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE ) |
Drawings & Photos | NSN 4820-01-258-0697
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Technical Data | NSN 4820-01-258-0697
| Characteristic | Specifications |
|---|---|
| BODY STYLE | A46 SINGLE CONNECTION STRAIGHT THRU |
| BODY MATERIAL | BRASS |
| FLOW CONTROL DEVICE | DIAPHRAGM |
| END CONNECTION QUANTITY | 1 |
| FIRST END CONNECTION TYPE | THREADED EXTERNAL PIPE |
| FIRST END STYLE DESIGNATOR | J6 PLAIN |
| FIRST END NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES |
| FIRST END THREAD DIRECTION | RIGHT-HAND |
| TEMP ADJUSTABILITY | NOT ADJUSTABLE |
| TEMP RATING | NOT RATED |
| VALVE DISCHARGE FLOW RATE | 35.0 CUBIC FEET PER MINUTE |
| TEMP CONTROL DEVICE TYPE | FUSIBLE |
| SPECIAL FEATURES | PULL RING INCLUDED |
Restrictions/Controls & Freight Information | NSN 4820-01-258-0697
| 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | U | Precious metal type is unknown |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||