NSN 4820-01-185-9439

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-185-9439 A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also VALVE, SAFETY RELIEF and VALVE, REGULATING. TEMPERATURE.

Alternate Parts: 170317, 1703-17, 4820-01-185-9439, 01-185-9439, 4820011859439, 011859439

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48AUG 05, 198401-185-943916996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

GASKET SEAL

GASKET SEAL

GASKET SEAL

GASKET SEAL

Cross Reference | NSN 4820-01-185-9439
Part Number Cage Code Manufacturer
1703-1794874DROITCOUR COMPANY
Technical Data | NSN 4820-01-185-9439
Characteristic Specifications
BODY STYLE STRAIGHT THRU
BODY MATERIAL STEEL
FLOW CONTROL DEVICE PISTON, SPRING LOADED
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED INTERNAL BOSS
FIRST END STYLE DESIGNATOR GASKET SEAL
FIRST END THREAD CLASS3B
FIRST END THREAD PITCH DIAMETERS+1.2584 TO +1.2659 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED ANY ACCEPTABLE
TEMP RATING600.0 DEG FAHRENHEIT
VALVE DISCHARGE FLOW RATE12.0 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE THERMOSTATIC
ADJUSTABLE PRESSURE RANGE+1400.0 TO +1800.0 POUNDS PER SQUARE INCH