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Safety Relief Valve NSN 4820-00-438-9064

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN 4820-00-438-9064 NSN: 4820-00-438-9064

Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
2.5 gallons per minute
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
Gasket sea (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+1000.0 to 3000.0 pounds per square inch
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.562 inches 1st end
Opening Pressure Setting
1000.0 pounds per square inch
Material
Steel seat
Material Specification
Qq-a-250/4 federal specification single material response body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
004389064
NSN
4820004389064

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4569C1000
Cage Code:
06177
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481400000
  • NAICS: 332911
  • SITC: 74740
  • Description: Safety or relief valves
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-438-9064
What are the manufacturers of nsn 4820004389064?
Does this nsn 4820004389064 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004389064
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.
Does nsn 4820004389064 contain any precious metals?
No precious metal content.
Does nsn 4820004389064 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004389064?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
05488
FIIG:
A046B0
App. Key:
AP
Cond. Code:
1
Status:
A

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