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Safety Relief Valve NSN 4820-00-491-0037

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 4820-00-491-0037 NSN: 4820-00-491-0037

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Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Thread Size
0.500 inches 1st end
Material
Copper alloy
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
004910037
NSN
4820004910037

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
XXH1L
Cage Code:
6R484
Status:
A
MSDS:
Part Number:
XXH1C
Cage Code:
6R484
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 4820-00-491-0037
What are the manufacturers of nsn 4820004910037?
Does this nsn 4820004910037 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004910037
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 4820004910037 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004910037 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004910037?
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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