NSN 4820-00-814-1958 1970C, 00-814-1958, 008141958
Product Details | SAFETY RELIEF VALVE
4820-00-814-1958 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: 1970C, 4820-00-814-1958, 00-814-1958, 4820008141958, 008141958
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-814-1958 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-814-1958
Cross Reference | NSN 4820-00-814-1958
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1970C | 16497 | DRESSER, INC. DBA DRESSER EQUIPMENT GROUP |
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Technical Data | NSN 4820-00-814-1958
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE BODY 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 304/SAE 30304 ASSN STD SINGLE MATERIAL RESPONSE SEAT 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 414/SAE 51414 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | WATER-OIL-GAS SINGLE RESPONSE |
| MAXIMUM OPERATING PRESSURE | 3000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 400.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE DISCHARGE FLOW RATE | 90.0 GALLONS PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END THREADED INTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 1ST END G9 PLAIN 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 1.500 INCHES 1ST END 1.000 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 1.500 INCHES 1ST END 1.000 INCHES 2ND END |
| THREAD QUANTITY PER INCH | 11-1/2 1ST END 11-1/2 2ND END |
| THREAD DIRECTION | RIGHT-HAND 1ST END RIGHT-HAND 2ND END |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | THREADED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 350.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
Restrictions/Controls & Freight Information | NSN 4820-00-814-1958
| 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 | ||