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Safety Relief Valve NSN 4820-00-131-5072

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 4820-00-131-5072 NSN: 4820-00-131-5072

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Features and Characteristics

Pipe Size Accommodated
0.250 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Features Provided
Valve stem lock shield and pressure tight outlet side
Thready Qty Per Inch (tpi)
18 1st end
Maximum Operating Pressure
450.0 pounds per square inch single response
Thread Size
0.250 inches 2nd end
Opening Pressure Setting
150.0 pounds per square inch
Special Features
Designed for acetylene, gaseous ammonia, air, hydrogen, refrigerant 12, and inert gas
Material
Aluminum alloy 2024 and rubber butadiene-acrylonitrile class nbr flow control device
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
001315072
NSN
4820001315072

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5159A2MP150
Cage Code:
91816
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 4820-00-131-5072
What are the manufacturers of nsn 4820001315072?
Does this nsn 4820001315072 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001315072
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 4820001315072 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001315072 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001315072?
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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