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Safety Relief Valve NSN 4820-01-431-9202

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 4820-01-431-9202 NSN: 4820-01-431-9202

Features and Characteristics

Thread Direction
Right-hand all ends
Maximum Operating Temp
400.0 degrees fahrenheit single response
Minimum Operating Temp
-20.0 degrees fahrenheit
End Application
Mark 6 transportable recompression chamber system, diver life support system
Connection Style
G46b plain (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe all ends
Thread Size
0.375 inches all ends
Opening Pressure Setting
300.0 pounds per square inch
Special Features
Viton o-rings; includes lockwire; asme series valve
Material
Copper alloy body
Media For Which Designed
Gas, inert 5th response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
014319202
NSN
4820014319202

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M5132N-3M(L)-30
Cage Code:
95963
Status:
A
MSDS:
Part Number:
M5132N-3M(L)-300
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 4820-01-431-9202
What are the manufacturers of nsn 4820014319202?
Does this nsn 4820014319202 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014319202
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 4820014319202 contain any precious metals?
No precious metal content.
Does nsn 4820014319202 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014319202?
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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  •   Quality Inspected Parts
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