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)
48JAN 13, 197200-252-485205488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-00-252-4852
Part Number Cage Code Manufacturer
5VMA7238056ASHCROFT INC.
5VMA72 M0D16497DRESSER, INC.DBA DRESSER EQUIPMENT GROUP
S5101F323307180064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-00-252-4852
Characteristic Specifications
STYLE DESIGNATORA ANGLE
FIRST CONNECTION FACE TO CENTERLINE DISTANCE5.718 INCHES
SECOND CONNECTION FACE TO CENTERLINE DISTANCE6.938 INCHES
VALVE SIZE1.500 INCHES
FLOW CONTROL DEVICE DISK
VALVE OPERATION METHODC$F
RENEWABLE SEAT RING TYPE THREADED
BONNET TYPE EXPOSED SPRING
BONNET ATTACHMENT METHOD BOLTED
DISK LOADING METHOD SPRING
OPENING PRESSURE SETTING675.0 POUNDS PER SQUARE INCH
FEATURES PROVIDED PRESSURE TIGHT OUTLET SIDE
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE OPENING PRESSURE SETTING REQUIREMENT