NSN 4820-00-252-4852
Part Details | SAFETY RELIEF VALVE
4820-00-252-4852 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: 5VMA72, 5VMA72 M0D, S5101F3233071, 4820-00-252-4852, 00-252-4852, 4820002524852, 002524852
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
48 | JAN 13, 1972 | 00-252-4852 | 05488 ( VALVE, SAFETY RELIEF ) |
REFERENCE DRAWINGS & PICTURES
ANGLE

Cross Reference | NSN 4820-00-252-4852
Part Number | Cage Code | Manufacturer |
---|---|---|
5VMA72 | 38056 | ASHCROFT INC. |
5VMA72 M0D | 16497 | DRESSER, INC.DBA DRESSER EQUIPMENT GROUP |
S5101F3233071 | 80064 | NAVAL SHIP SYSTEMS COMMAND |
Technical Data | NSN 4820-00-252-4852
Characteristic | Specifications |
---|---|
STYLE DESIGNATOR | A ANGLE |
FIRST CONNECTION FACE TO CENTERLINE DISTANCE | 5.718 INCHES |
SECOND CONNECTION FACE TO CENTERLINE DISTANCE | 6.938 INCHES |
VALVE SIZE | 1.500 INCHES |
FLOW CONTROL DEVICE | DISK |
VALVE OPERATION METHOD | C$F |
RENEWABLE SEAT RING TYPE | THREADED |
BONNET TYPE | EXPOSED SPRING |
BONNET ATTACHMENT METHOD | BOLTED |
DISK LOADING METHOD | SPRING |
OPENING PRESSURE SETTING | 675.0 POUNDS PER SQUARE INCH |
FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY THE OPENING PRESSURE SETTING REQUIREMENT |