NSN 4820-01-551-1121
Part Details | SAFETY RELIEF VALVE
4820-01-551-1121 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: D559B2MD8, D559B-2M-D-8, 4820-01-551-1121, 01-551-1121, 4820015511121, 015511121
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 48 | MAY 08, 2007 | 01-551-1121 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU
Cross Reference | NSN 4820-01-551-1121
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| D559B-2M-D-8 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
Technical Data | NSN 4820-01-551-1121
| Characteristic | Specifications |
|---|---|
| STYLE DESIGNATOR | STRAIGHT THRU |
| FLOW CONTROL DEVICE | POPPET |
| VALVE OPERATION METHOD | AUTOMATIC |
| DISK LOADING METHOD | SPRING |
| OPENING PRESSURE SETTING | 8.0 POUNDS PER SQUARE INCH |
| ADJUSTABLE PRESSURE RANGE | 5.6 TO 13.9 POUNDS PER SQUARE INCH |
| FURNISHED ITEMS AND QUANTITY | 1 DEFLECTOR CAP |
| MINIMUM OPERATING TEMP | -40.0 DEG FAHRENHEIT |
| SPECIAL FEATURES | ADJUSTABLE POPPET VALVE, ZERO LEAKAGE, OUT TO ATMOSHERE; TEMPERATURE RANGE DETERMINED MY SEAL MATERIAL |
| END ITEM IDENTIFICATION | NEW CONSTRUCTION LHD8 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | ADJUSTABLE POPOFF RELIEF VALVE |