NSN 4820-01-341-8188 644XB4122, 644XB-4-122, 937849
Product Details | SAFETY RELIEF VALVE
4820-01-341-8188 A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Part Alternates: 644XB4122, 644XB-4-122, 937849, 4820-01-341-8188, 01-341-8188, 4820013418188, 013418188
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 09 JUL 1991 | 01-341-8188 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-01-341-8188
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Technical Data | NSN 4820-01-341-8188
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 BODY |
| SURFACE TREATMENT | PASSIVATE |
| STYLE DESIGNATOR | C1 ANGLE |
| MAXIMUM OPERATING PRESSURE | 250.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 225.0 DEG FAHRENHEIT SINGLE RESPONSE |
| BONNET TYPE | INSIDE SPRING |
Restrictions/Controls & Freight Information | NSN 4820-01-341-8188
| 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 | ||