NSN 4820-01-197-6861

Part Details | PRESSURE AND TEMPERATURE RELIEF VALVE

4820-01-197-6861 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: MDD44T16S40A, MDD-44T-16S-40-A, 4820-01-197-6861, 01-197-6861, 4820011976861, 011976861

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48DEC 24, 198401-197-686116996 ( VALVE, RELIEF, PRESSURE AND TEMPERATURE )
REFERENCE DRAWINGS & PICTURES

STRAIGHT THRU W/ OFFSET GIVE "ADQL" ONLY WHEN BOTH ENDS FLANGED

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

SWIVEL NUT, FLARE

Cross Reference | NSN 4820-01-197-6861
Part Number Cage Code Manufacturer
MDD-44T-16S-40-A78357PARKER-HANNIFIN CORPORATIONDBA SNAP TITE QD & V
Technical Data | NSN 4820-01-197-6861
Characteristic Specifications
BODY STYLE STRAIGHT THRU W/ OFFSET GIVE "ADQL" ONLY WHEN BOTH ENDS FLANGED
OFFSET DISTANCE1.118 INCHES NOMINAL
BODY MATERIAL ALUMINUM
FLOW CONTROL DEVICE PISTON, SPRING LOADED
END CONNECTION QUANTITY2
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
FIRST END STYLE DESIGNATOR1 SWIVEL NUT, FLARE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES
FIRST END THREAD DIRECTION RIGHT-HAND
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
TEMP ADJUSTABILITY NOT ADJUSTABLE
VALVE DISCHARGE FLOW RATE3.0 GALLONS PER MINUTE
TEMP CONTROL DEVICE TYPE FUSIBLE
ADJUSTABLE PRESSURE RANGE+1000.0 TO +4000.0 POUNDS PER SQUARE INCH