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Safety Relief Valve NSN 4820-01-375-8019

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 4820-01-375-8019 NSN: 4820-01-375-8019

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside screw
Bonnet Attachment Method
Threaded
Maximum Operating Temp
165.0 degrees fahrenheit single response
Connection Style
G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st endthreaded internal pipe 2nd end
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.250 inches all ends
Opening Pressure Setting
230.0 pounds per square inch
Material
Copper alloy bodyrubber flow control devicecopper alloy seat
Media For Which Designed
Nitrogen, gaseous 1st responseoxygen, gaseous 2nd response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
013758019
NSN
4820013758019

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B-9422N-230
Cage Code:
2Y894
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 4820-01-375-8019
What are the manufacturers of nsn 4820013758019?
Does this nsn 4820013758019 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013758019
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 4820013758019 contain any precious metals?
No precious metal content.
Does nsn 4820013758019 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013758019?
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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