Product Details | PRESSURE AND TEMPER RELIEF VALVE

4820-01-581-4617 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.

Part Alternates: 761 7601-1-LLP, 76176011LLP, 4820-01-581-4617, 01-581-4617, 4820015814617, 015814617

Valves | Valves, Nonpowered

Supply Group (FSG) NSN Assign. NIIN
48 19 JAN 2010 01-581-4617

Cross Reference | NSN 4820-01-581-4617

Part Number Cage Code Manufacturer
761 7601-1-LLP 63850 BAIRD MFG CO

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Technical Data | NSN 4820-01-581-4617

Characteristic Specifications
THIRD END NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES
FIRST END NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES
SECOND END RELATIONSHIP WITH FIRST END IDENTICAL
FIRST END THREAD SERIES DESIGNATOR NPT
VALVE DISCHARGE FLOW RATE 600.0 GALLONS PER MINUTE
THIRD END RELATIONSHIP WITH PRECEDING ENDS NOT IDENTICAL WITH FIRST OR SECOND END
SEAT MATERIAL COBALT ALLOY
BODY MATERIAL ALUMINUM
THIRD END NOMINAL THREAD SIZE 1.0000 INCHES
SECOND END NOMINAL THREAD SIZE 1.000 INCHES
SECOND END NOMINAL PIPE SIZE ACCOMMODATED 1.000 INCHES
THIRD END CONNECTION TYPE THREADED EXTERNAL PIPE
BODY STYLE TEE GIVE "ADQL" AND "ADQM" ONLY WHEN FLANGED ALL ENDS
THIRD END THREAD SERIES DESIGNATOR NPT
SECOND END THREAD SERIES DESIGNATOR NPT
FIRST END NOMINAL THREAD SIZE 1.000 INCHES
FLOW CONTROL DEVICE DISK, CIRCULAR
FIRST END CONNECTION TYPE THREADED INTERNAL PIPE
THIRD END STYLE DESIGNATOR PLAIN
END CONNECTION QUANTITY 3
SPECIAL FEATURES WORKING PRESSURE 50-600 POUNDS; 3/4 IN. SEAT ORIFICE DIA. WHITE CAP
FIRST END STYLE DESIGNATOR PLAIN
SECOND END STYLE DESIGNATOR PLAIN

Restrictions/Controls & Freight Information | NSN 4820-01-581-4617

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information