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Safety Relief Valve NSN 4820-01-238-5947

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 4820-01-238-5947 NSN: 4820-01-238-5947

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Thread Size
0.500 inches all ends
Opening Pressure Setting
50.0 pounds per square inch
Material
Copper alloy body
Style Designator
Err-090
Thread Series Designator
Nptf 2nd end
FSC
4820 Nonpowered Valves
NIIN
012385947
NSN
4820012385947

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
0032
Cage Code:
13059
Status:
A
MSDS:
Part Number:
KE54941-5
Cage Code:
13059
Status:
A
MSDS:
Part Number:
KE50998
Cage Code:
13059
Status:
A
MSDS:
Part Number:
KE51723
Cage Code:
13059
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 4820-01-238-5947
What are the manufacturers of nsn 4820012385947?
Does this nsn 4820012385947 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012385947
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 4820012385947 contain any precious metals?
No precious metal content.
Does nsn 4820012385947 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012385947?
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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  •   Certificate of Conformance
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