NSN 4820-00-250-4875 002504875
Product Details | SAFETY RELIEF VALVE
4820-00-250-4875 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: 002504875
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-250-4875 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4810-00-250-4875
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Related Products | NSN 4820-00-250-4875
Technical Data | NSN 4820-00-250-4875
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL BODY STEEL COMP 414 FLOW CONTROL DEVICE STEEL COMP 414 SEAT STEEL COMP 414 STEM |
| STYLE DESIGNATOR | A7A ANGLE FLANGED ENDS |
| FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 7.688 INCHES |
| SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.938 INCHES |
| VALVE SIZE | 2.500 INCHES |
| FLOW CONTROL DEVICE | DISK |
| VALVE OPERATION METHOD | HYDRAULIC |
| CONNECTION TYPE | FLANGE 1ST END FLANGE 2ND END |
| FLANGE SHAPE | ROUND WITH HOLES 1ST END ROUND WITH HOLES 2ND END |
| NOMINAL OUTSIDE DIAMETER | 9.625 INCHES 1ST END 9.250 INCHES 2ND END |
| NOMINAL THICKNESS | 1.875 INCHES 1ST END |
| BOLT HOLE QUANTITY | 8 1ST END 9 2ND END |
| BOLT HOLE NOMINAL DIAMETER | 1.062 INCHES 1ST END 0.812 INCHES 2ND END |
| BOLT CIRCLE NOMINAL DIAMETER | 7.500 INCHES 1ST END 7.688 INCHES 2ND END |
| FLANGE FACE DESIGN | RAISED STRAIGHT 1ST END PLAIN 2ND END |
| RAISED FACE NOMINAL HEIGHT | 0.250 INCHES 1ST END |
| RAISED FACE NOMINAL DIAMETER | 4.125 INCHES 1ST END |
| RENEWABLE SEAT RING TYPE | THREADED |
| BONNET TYPE | INSIDE SPRING |
| BONNET ATTACHMENT METHOD | BOLTED |
| DISK LOADING METHOD | SPRING |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 16497 |
| DESIGN CONTROL REFERENCE | 5V0S72 |
Restrictions/Controls & Freight Information | NSN 4820-00-250-4875
| 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 |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||