NSN 4820-00-191-9201

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-00-191-9201 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: 11652631, 4820-00-191-9201, 00-191-9201, 4820001919201, 001919201

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 22, 196900-191-920116996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES

TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS

PLAIN

RAISED

RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)

PLAIN

RAISED

RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)

PLAIN

RAISED

RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)

PLAIN

RAISED

RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)

Cross Reference | NSN 4820-00-191-9201
Part Number Cage Code Manufacturer
1165263119207U S ARMY TANK AUTOMOTIVE COMMANDAMSTA-IM-MM
Technical Data | NSN 4820-00-191-9201
Characteristic Specifications
BODY STYLE1 TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS
CENTER TO CENTER DISTANCE1.125 INCHES NOMINAL
BODY MATERIAL ALUMINUM ALLOY, QQ-A-367, COMP 6061, T6
OUTSIDE SURFACE TREATMENT ENAMEL
FLOW CONTROL DEVICES ANY ACCEPTABLE AND T ANY ACCEPTABLE
END CONNECTION QUANTITY3
FIRST END CONNECTION TYPE UNTHREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR PLAIN
FIRST END FLANGE SHAPE STYLE RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)
FIRST END BOLT HOLE QUANTITY2
FIRST END FLANGE THICKNESS0.880 INCHES NOMINAL
FIRST END FLANGE LENGTH2.102 INCHES NOMINAL
FIRST END FLANGE WIDTH1.880 INCHES NOMINAL
FIRST END BOLT HOLE DIAMETER0.400 INCHES NOMINAL
FIRST END CENTER TO CENTER DISTANCE BETWEEN HOLES ALONG WIDTH1.000 INCHES NOMINAL
SECOND END RELATIONSHIP WITH FIRST END NOT IDENTICAL
SECOND END CONNECTION TYPE RAISED FACE FLANGE
SECOND END STYLE DESIGNATOR RAISED
SECOND END RAISED FACE HEIGHT0.060 INCHES NOMINAL
SECOND END RAISED FACE DIAMETER0.600 INCHES NOMINAL
SECOND END FLANGE SHAPE STYLEA RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)
SECOND END FLANGE THICKNESS2.740 INCHES NOMINAL
SECOND END FLANGE LENGTH2.102 INCHES NOMINAL
SECOND END FLANGE WIDTH1.880 INCHES NOMINAL
THIRD END RELATIONSHIP WITH PRECEDING ENDS NOT IDENTICAL WITH FIRST OR SECOND END
THIRD END CONNECTION TYPE PLAIN FACE FLANGE
THIRD END STYLE DESIGNATOR PLAIN
THIRD END FLANGE SHAPE STYLEA RECTANGULAR W/ BOLT HOLES (INCLUDES SQUARE)
THIRD END FLANGE THICKNESS2.740 INCHES NOMINAL
THIRD END FLANGE LENGTH2.102 INCHES NOMINAL
THIRD END FLANGE WIDTH1.880 INCHES NOMINAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
MEDIA FOR WHICH DESIGNED HYDRAULIC FLUID, PHOSPHATE-ESTER BASE
VALVE DISCHARGE FLOW RATE0.4 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE THERMOSTATIC
ADJUSTABLE PRESSURE RANGE+850.0 TO +1000.0 POUNDS PER SQUARE INCH
FURNISHED ITEMS MANUAL OPERATING DEVICE