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Safety Relief Valve NSN 4820-00-499-4322

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 4820-00-499-4322 NSN: 4820-00-499-4322

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Features and Characteristics

Flow Control Device
Poppet
Maximum Operating Temp
160.0 degrees fahrenheit single response
Connection Style
Flared (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.250 inches 1st end
Material
Aluminum alloy
Media For Which Designed
Nitrogen, gaseous single response
Style Designator
Straight thru
FSC
4820 Nonpowered Valves
NIIN
004994322
NSN
4820004994322

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
128SCEC612-1
Cage Code:
26512
Status:
A
MSDS:
Part Number:
D577T4DL31
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 4820-00-499-4322
What are the manufacturers of nsn 4820004994322?
Does this nsn 4820004994322 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004994322
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 4820004994322 contain any precious metals?
No precious metal content.
Does nsn 4820004994322 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004994322?
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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