NSN 4820-01-130-1856

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-130-1856 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: AAA42415D8, AA-A424-15D8, 4820-01-130-1856, 01-130-1856, 4820011301856, 011301856

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48APR 17, 198201-130-185616996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

Cross Reference | NSN 4820-01-130-1856
Part Number Cage Code Manufacturer
AA-A424-15D818350PALL AEROPOWER CORPORATION
Technical Data | NSN 4820-01-130-1856
Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
TEMP ADJUSTABILITY NOT ADJUSTABLE
VALVE DISCHARGE FLOW RATE29.0 GALLONS PER MINUTE
SPECIAL FEATURES4.500 IN. O/A LG;0.812 IN. MAX O/A DIA;CRACKING PRESSURE 2400 PSID,PROM100 PSID;FULL FLOW PRESSURE 2700 PSI MAX;RESEAT PRESSURE 1800 PSID MIN;TWO (2) O-RING GROOVES;ALL CHARACTERISTICS DATA PROPRIETARY
TEST DATA DOCUMENT81349-MIL-V-5523 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
DEPARTURE FROM CITED DOCUMENTDELETE REQUIREMENT FOR FREE FLOW IN REVERSE DIRECTION