Part Details | SAFETY RELIEF VALVE
4820-00-138-3897 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: BT123M0010A2, BT123M0-0-10A2, BT123M10A2, BT-12-3M-10A2, 4820-00-138-3897, 00-138-3897, 4820001383897, 001383897
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JUL 28, 1971 | 00-138-3897 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
CROSS

Cross Reference | NSN 4820-00-138-3897
Part Number | Cage Code | Manufacturer |
---|---|---|
BT123M0-0-10A2 | 56047 | SOUTHWEST WELDING AND MFG CO |
BT-12-3M-10A2 | 56047 | SOUTHWEST WELDING AND MFG CO |
Technical Data | NSN 4820-00-138-3897
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | CROSS |
FLOW CONTROL DEVICE | SPOOL |
VALVE DISCHARGE FLOW RATE | 60.0 GALLONS PER MINUTE |
VALVE OPERATION METHOD | AUTOMATIC |
RENEWABLE SEAT RING TYPE | PRESSED-IN |
DISK LOADING METHOD | SPRING |
SPECIAL FEATURES | INCLUDES PILOT VALVE,GAUGE PORT AND REMOTE CONTROL PORT |