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Safety Relief Valve NSN 4820-01-348-1402

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 4820-01-348-1402 NSN: 4820-01-348-1402

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Features and Characteristics

Thread Class
3a all ends
Thread Direction
Left-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
275.0 degrees fahrenheit single response
Connection Style
G46a plain (tube) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Thready Qty Per Inch (tpi)
20 all ends
Maximum Operating Pressure
200.0 pounds per square inch single response
Thread Size
0.438 inches all ends
Opening Pressure Setting
10.0 pounds per square inch
Material
Stainless steel body
Media For Which Designed
Air 1st responsehelium 2nd responsehydrogen 3rd responsefuel/oil, hydrocarbon 4th response
Surface Treatment
Passivate
Style Designator
Err-090
Thread Series Designator
Unj all ends
FSC
4820 Nonpowered Valves
NIIN
013481402
NSN
4820013481402

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
559T1P-4D-10
Cage Code:
91816
Status:
A
MSDS:
Part Number:
6369121-1
Cage Code:
53711
Status:
A
MSDS:
Part Number:
1211257-1
Cage Code:
56232
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 4820-01-348-1402
What are the manufacturers of nsn 4820013481402?
Does this nsn 4820013481402 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013481402
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 4820013481402 contain any precious metals?
No precious metal content.
Does nsn 4820013481402 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013481402?
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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