NSN 4820-00-639-9393

Part Details | SAFETY RELIEF VALVE

4820-00-639-9393 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: NMP1151DA90C34X1IN SPRING1277, NMP1151DA90C3/4X1IN SPRING1277, DA90C 1426T1750PSI34X1IN, DA90C 1426T1750PSI3/4X1IN, 183634, 1836-3-4, S6336BALT1PC34SPRING202, S6336BALT1PC3-4SPRING202, 3868143PCV3, 3868-143PCV3, 3678184REVAPCV3, 3678-184REVAPCV3, DA90C 1426T1750PSI 34X1IN, DA90C 1426T1750PSI 3/4X1IN, NMP1151DA90C34X1IN SPRING1277, NMP1151DA90C3/4X1IN SPRING1277, MILV20065TYPEA2CLASSC, 57149031303388REVAPCV3, 571-4903-1303388REVAPCV3, 51948243823PC34SPRING202, 519-4824-3823PC3-4SPRING202, 3406700937209PCV3, 340-6700-937209PCV3, 4820-00-639-9393, 00-639-9393, 4820006399393, 006399393

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196300-639-939305488 ( VALVE, SAFETY RELIEF )
REFERENCE DRAWINGS & PICTURES

ANGLE

Cross Reference | NSN 4820-00-639-9393
Part Number Cage Code Manufacturer
NMP1151DA90C3/4X1IN SPRING127701343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
DA90C 1426T1750PSI3/4X1IN01343ANDERSON GREENWOOD LPDBA ANDERSON GREENWOOD CROSBY
1836-3-438056ASHCROFT INC.
S6336BALT1PC3-4SPRING20238056ASHCROFT INC.
3868-143PCV396169ELECTRIC BOAT CORPORATION
3678-184REVAPCV396169ELECTRIC BOAT CORPORATION
DA90C 1426T1750PSI 3/4X1IN75954KUNKLE INDUSTRIES INCLONERGAN VALVE DIV
NMP1151DA90C3/4X1IN SPRING127775954KUNKLE INDUSTRIES INCLONERGAN VALVE DIV
MILV20065TYPEA2CLASSC81349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
571-4903-1303388REVAPCV380064NAVAL SHIP SYSTEMS COMMAND
519-4824-3823PC3-4SPRING20280064NAVAL SHIP SYSTEMS COMMAND
340-6700-937209PCV380064NAVAL SHIP SYSTEMS COMMAND
Technical Data | NSN 4820-00-639-9393
Characteristic Specifications
STYLE DESIGNATOR ANGLE
FLOW CONTROL DEVICE POPPET
VALVE OPERATION METHOD AUTOMATIC
DISK LOADING METHOD SPRING
ADJUSTABLE PRESSURE RANGE0.0 TO 1000.0 POUNDS PER SQUARE INCH
NONDEFINITIVE SPEC/STD DATAA2 TYPE AND C CLASS
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SIZE 3/4 IN. BY 1 1/4 IN.