NSN 4820-01-181-3565

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-181-3565 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: 40XL4, 40XL-4, 4820-01-181-3565, 01-181-3565, 4820011813565, 011813565

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JUN 08, 198401-181-356516996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU

SWIVEL NUT, FLARE

PLAIN

SWIVEL NUT, FLARE

PLAIN

SWIVEL NUT, FLARE

PLAIN

SWIVEL NUT, FLARE

PLAIN

Cross Reference | NSN 4820-01-181-3565
Part Number Cage Code Manufacturer
40XL-479227WATTS REGULATOR CO
Technical Data | NSN 4820-01-181-3565
Characteristic Specifications
BODY STYLE3 STRAIGHT THRU
BODY MATERIAL0$DCK0000
OUTSIDE SURFACE TREATMENT BRONZE
SEAT MATERIAL STEEL, CORROSION RESISTING, 304, CRYOLAB DIV OF CRYENCO
FLOW CONTROL DEVICE ANY ACCEPTABLE
FLOW CONTROL DEVICE MATERIAL ANY ACCEPTABLE
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED EXTERNAL PIPE
FIRST END STYLE DESIGNATOR PLAIN
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.315 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE THREADED INTERNAL PIPE
SECOND END STYLE DESIGNATOR1 SWIVEL NUT, FLARE
SECOND END NOMINAL PIPE SIZE ACCOMMODATED1.315 INCHES
SECOND END THREAD DIRECTION RIGHT-HAND
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED WATER, FRESH
TEMP RATING210.0 DEG FAHRENHEIT
BULB LENGTH4.000 INCHES NOMINAL
TEMP CONTROL DEVICE TYPE THERMOSTATIC
SPECIAL FEATURESUSED ON HOT WATER ACCUMULATOR TANK MSH 400 ON 270 FT. COAST GUARD VESSELS
TEST DATA DOCUMENT79227-MIL-V-136-12C 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.).