NSN 4820-00-287-2640
Part Details | SAFETY RELIEF VALVE
4820-00-287-2640 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: 2501, 3304274, 3304274, 81125S4121502ALT1PC3, 81125S41-21502ALT1PC3, 81125S4121502ALT1PC3, 81125S41-21502ALT1PC3, 4820-00-287-2640, 00-287-2640, 4820002872640, 002872640
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 01, 1963 | 00-287-2640 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE

Cross Reference | NSN 4820-00-287-2640
Part Number | Cage Code | Manufacturer |
---|---|---|
2501 | 14959 | CRANE CODIV VALVE DIV |
3304274 | 72915 | GENERAL MOTORS CORPELECTRO-MOTIVE DIV |
3304274 | 55380 | HATCH & KIRK, INC. |
81125S41-21502ALT1PC3 | 53711 | NAVAL SEA SYSTEMS COMMAND |
81125S41-21502ALT1PC3 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-287-2640
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | ANGLE |
FLOW CONTROL DEVICE | DISK |
VALVE DISCHARGE FLOW RATE | 50.0 GALLONS PER MINUTE |
VALVE OPERATION METHOD | AUTOMATIC |
BONNET TYPE | INSIDE SPRING |
BONNET ATTACHMENT METHOD | INTEGRAL |
DISK LOADING METHOD | SPRING |
ADJUSTABLE PRESSURE RANGE | 16.0 TO 30.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |