NSN 4820-00-269-4633
Part Details | SAFETY RELIEF VALVE
4820-00-269-4633 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: 559B1M135, 559B1M-135, A11779, A11779, A117791, A11779-1, 4820-00-269-4633, 00-269-4633, 4820002694633, 002694633
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 08, 1968 | 00-269-4633 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.

Cross Reference | NSN 4820-00-269-4633
Part Number | Cage Code | Manufacturer |
---|---|---|
559B1M-135 | 91816 | CIRCOR AEROSPACE, INC.DBA CIRCLE SEAL CONTROLS |
A11779 | 72634 | DIELECTRIC PRODUCTS CO INC |
A11779 | 08441 | SPX CORPORATIONDBA DIELECTRIC COMMUNICATIONS |
A11779-1 | 08441 | SPX CORPORATIONDBA DIELECTRIC COMMUNICATIONS |
Technical Data | NSN 4820-00-269-4633
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 | 135.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | VALVE STEM LOCK SHIELD |
SPECIAL FEATURES | POP-OFF TYPE |