NSN 4820-00-251-0821 00-251-0821, 002510821
Product Details | SAFETY RELIEF VALVE
4820-00-251-0821 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: 4820-00-251-0821, 00-251-0821, 4820002510821, 002510821
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | 00-251-0821 | 05488 ( VALVE, SAFETY RELIEF ) |
Drawings & Photos | NSN 4820-00-251-0821
Cross Reference | NSN 4820-00-251-0821
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 1-2IN23A275PSIG | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 1/2FIG23MA275PSIG | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 14706 | 19422 | DEMARKUS CORP REFRIGERATION ENGINEERING CORP |
| 2017 | 03670 | TYCO FIRE PRODUCTS, LP DBA TYCO FIRE SUPPRESSION & BUILDING |
| 22 1-2X3-4 250 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 22M A-2X3-4 250 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
| 913BDCM01 1/2X3/4 250 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY |
Request a Quote
What Our Customers Say
Thank you very much for the excellent service and professional customer care.
The service was excellent. I can think of no improvements to date that you can make regarding internet sales.
The representative for WBParts was efficient & handled our request in a timely & professional manner.
Tried two other sources, neither of them responded, was all done online, never spoke to anyone.
The response is quick and the price is often very good. We are completely satisfied.
Compare
Related Products | NSN 4820-00-251-0821
Technical Data | NSN 4820-00-251-0821
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY OVERALL |
| STYLE DESIGNATOR | C1 ANGLE |
| FLOW CONTROL DEVICE | DISK |
| MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE CARBON DIOXIDE 2ND RESPONSE |
| MAXIMUM OPERATING PRESSURE | 275.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MAXIMUM OPERATING TEMP | 300.0 DEG FAHRENHEIT SINGLE RESPONSE |
| VALVE OPERATION METHOD | AUTOMATIC |
| CONNECTION TYPE | THREADED INTERNAL PIPE 1ST END THREADED EXTERNAL PIPE 2ND END |
| CONNECTION STYLE | G9 PLAIN 1ST END G46B PLAIN 2ND END |
| NOMINAL PIPE SIZE ACCOMMODATED | 0.750 INCHES 1ST END 0.500 INCHES 2ND END |
| THREAD SERIES DESIGNATOR | NPT 1ST END NPT 2ND END |
| NOMINAL THREAD SIZE | 0.750 INCHES 1ST END 0.500 INCHES 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 | 300.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| MANUFACTURERS CODE | 01343 |
| DESIGN CONTROL REFERENCE | 1/2FIG23MA275PSIG |
Restrictions/Controls & Freight Information | NSN 4820-00-251-0821
| 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 | ||