NSN 4820-00-174-2437 1704C, 00-174-2437, 001742437
Product Details | SAFETY RELIEF VALVE
4820-00-174-2437 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: 1704C, 4820-00-174-2437, 00-174-2437, 4820001742437, 001742437
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 18 FEB 1973 | 00-174-2437 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-174-2437
Cross Reference | NSN 4820-00-174-2437
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1704C | 37239 | LUNKENHEIMER CO |
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Technical Data | NSN 4820-00-174-2437
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY BODY COPPER ALLOY SEAT COPPER ALLOY STEM |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE SEAT QQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| STYLE DESIGNATOR | C2 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| VALVE DISCHARGE FLOW RATE | 312.0 CUBIC FEET PER MINUTE |
| VALVE OPERATION METHOD | AUTOMATIC |
| POWER DRIVE OPERATING PRESSURE | 350.0 POUNDS PER SQUARE INCH NOMINAL |
| CONNECTION TYPE | THREADED EXTERNAL PIPE 1ST END |
| CONNECTION STYLE | G46B PLAIN 1ST END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.500 INCHES 1ST END |
| THREAD SERIES DESIGNATOR | NPT 1ST END |
| NOMINAL THREAD SIZE | 0.500 INCHES 1ST END |
| THREAD QUANTITY PER INCH | 14 1ST END |
| THREAD DIRECTION | RIGHT-HAND 1ST END |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 350.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 251.0 TO 400.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
Restrictions/Controls & Freight Information | NSN 4820-00-174-2437
| 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 | ||