NSN 4820-00-844-7744
Part Details | SAFETY RELIEF VALVE
4820-00-844-7744 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.
Alternate Parts: 559T8M21, 559T-8M-21, 559A8M21, 559A1M, 4820-00-844-7744, 00-844-7744, 4820008447744, 008447744
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | JAN 01, 1962 | 00-844-7744 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Cross Reference | NSN 4820-00-844-7744
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 559T-8M-21 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 559A8M21 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
| 559A1M | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
Technical Data | NSN 4820-00-844-7744
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY. |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 21.0 POUNDS PER SQUARE INCH |
| FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND BONNET PACKING AND PRESSURE TIGHT OUTLET SIDE |
| SPECIAL FEATURES | POP-OFF TYPE |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY PRE-SET SETTING |