NSN 4820-00-841-8600 289U, 00-841-8600, 008418600
Product Details | SAFETY RELIEF VALVE
4820-00-841-8600 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: 289U, 4820-00-841-8600, 00-841-8600, 4820008418600, 008418600
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 01 JAN 1962 | 00-841-8600 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-841-8600
Cross Reference | NSN 4820-00-841-8600
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 289U | 22508 | FISHER CONTROLS CO INC |
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Technical Data | NSN 4820-00-841-8600
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY BODY ALUMINUM ALLOY FLOW CONTROL DEVICE ALUMINUM ALLOY SEAT |
| SURFACE TREATMENT | ANODIZE |
| STYLE DESIGNATOR | A1 STRAIGHT THRU |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL PIPE ALL ENDS |
| CONNECTION STYLE | G9 PLAIN ALL ENDS |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.250 INCHES ALL ENDS |
| THREAD SERIES DESIGNATOR | NPT ALL ENDS |
| NOMINAL THREAD SIZE | 0.250 INCHES ALL ENDS |
| THREAD QUANTITY PER INCH | 18 ALL ENDS |
| THREAD DIRECTION | RIGHT-HAND ALL ENDS |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 1.000 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 22508 |
| DESIGN CONTROL REFERENCE | 289U |
Restrictions/Controls & Freight Information | NSN 4820-00-841-8600
| 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 | ||