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Safety Relief Valve NSN 4820-00-800-6156

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 4820-00-800-6156 NSN: 4820-00-800-6156

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Features and Characteristics

Pipe Size Accommodated
0.750 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
15.0 cubic feet per minute
Maximum Operating Temp
170.0 degrees fahrenheit 2nd response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe 1st end
Features Provided
Valve stem lock shield and bonnet packing and pressure tight outlet side
Thready Qty Per Inch (tpi)
14 2nd end
Maximum Operating Pressure
300.0 pounds per square inch 2nd response
Thread Size
0.750 inches 1st end
Opening Pressure Setting
10.0 pounds per square inch
Material
Steel stem
Style Designator
Angle
Thread Series Designator
Npt 1st end
Reference Number Differentiating Characteristics
As differentiated by valve size andset pressure
FSC
4820 Nonpowered Valves
NIIN
008006156
NSN
4820008006156

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1851
Cage Code:
38056
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 4820-00-800-6156
What are the manufacturers of nsn 4820008006156?
Does this nsn 4820008006156 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820008006156
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 4820008006156 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820008006156 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820008006156?
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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