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Safety Relief Valve NSN 4820-00-287-4087

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 4820-00-287-4087 NSN: 4820-00-287-4087

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Features and Characteristics

Pipe Size Accommodated
0.125 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
48.0 cubic feet per minute
Maximum Operating Temp
250.0 degrees fahrenheit single response
End Application
Grumman; a10 aircraft
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Features Provided
Valve stem lock shield
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.125 inches 1st end
Opening Pressure Setting
60.0 pounds per square inch
Material
Plastic polyamide flow control device
Media For Which Designed
Gas, inert 2nd response
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
002874087
NSN
4820002874087

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VAL920
Cage Code:
93234
Status:
A
MSDS:
Part Number:
1664
Cage Code:
16497
Status:
A
MSDS:
Part Number:
1664SIZE1-860PSI
Cage Code:
38056
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 4820-00-287-4087
What are the manufacturers of nsn 4820002874087?
Does this nsn 4820002874087 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002874087
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 4820002874087 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002874087 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002874087?
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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