NSN 4820-00-203-7912
Part Details | SAFETY RELIEF VALVE
4820-00-203-7912 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: 5S1166ALT9AND5S1179ALT8AND5S128, 5S1166ALT9AND5S1179ALT8AND5S128-, 4820-00-203-7912, 00-203-7912, 4820002037912, 002037912
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-203-7912 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE

Cross Reference | NSN 4820-00-203-7912
Part Number | Cage Code | Manufacturer |
---|---|---|
5S1166ALT9AND5S1179ALT8AND5S128- | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-203-7912
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | A ANGLE |
FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 8.000 INCHES |
SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 8.000 INCHES |
FLOW CONTROL DEVICE | DISK |
VALVE OPERATION METHOD | C$F |
BONNET TYPE | INSIDE SPRING |
BONNET ATTACHMENT METHOD | BOLTED |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 2.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | ELR NO. |
EXTRA LONG REFERENCE NUMBER | 5S1166ALT9AND5S1179ALT8AND5S1287ALT2 |