NSN 4820-00-068-9973
Part Details | SAFETY RELIEF VALVE
4820-00-068-9973 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: 42ASSY58TDV3, 42ASSY5-8TDV3, ASSYA3TYPE42, 4820-00-068-9973, 00-068-9973, 4820000689973, 000689973
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-068-9973 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
STRAIGHT THRU

Cross Reference | NSN 4820-00-068-9973
Part Number | Cage Code | Manufacturer |
---|---|---|
42ASSY5-8TDV3 | 32874 | BS&B SAFETY SYSTEMS, L.L.C. |
ASSYA3TYPE42 | 32874 | BS&B SAFETY SYSTEMS, L.L.C. |
Technical Data | NSN 4820-00-068-9973
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | STRAIGHT THRU |
FLOW CONTROL DEVICE | DISK |
VALVE DISCHARGE FLOW RATE | 1500.0 POUNDS PER HOUR |
VALVE OPERATION METHOD | AUTOMATIC |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 285.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | VALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE |
SPECIAL FEATURES | DIAPHRAM OPERATED |