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Safety Relief Valve NSN 4820-01-443-8226

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 4820-01-443-8226 NSN: 4820-01-443-8226

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
Maximum Operating Temp
300.0 degrees fahrenheit single response
End Application
Strategic sealift conversion ships class
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.500 inches all ends
Opening Pressure Setting
100.0 pounds per square inch
Special Features
With pressure tight cap; model 20
Material
Copper alloy body
Media For Which Designed
Liquid single response
Style Designator
Err-090
Thread Series Designator
Nptf 2nd end
FSC
4820 Nonpowered Valves
NIIN
014438226
NSN
4820014438226

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
0020C01MG0100
Cage Code:
01343
Status:
A
MSDS:
Part Number:
0020-C01-MC0100
Cage Code:
01343
Status:
A
MSDS:
Part Number:
TBB1 SC RG. 93
Cage Code:
75954
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 4820-01-443-8226
What are the manufacturers of nsn 4820014438226?
Does this nsn 4820014438226 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014438226
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 4820014438226 contain any precious metals?
No precious metal content.
Does nsn 4820014438226 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014438226?
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
  •   Quality Inspected Parts
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