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Safety Relief Valve NSN 4820-00-143-3861

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 4820-00-143-3861 NSN: 4820-00-143-3861

Features and Characteristics

Pipe Size Accommodated
2.000 inches 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
2788.0 pounds per hour
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Thread Size
2.000 inches 1st end
Opening Pressure Setting
15.0 pounds per square inch
Special Features
The end connection identified above as the second end is the valve inlet
Material
Iron cast body
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
001433861
NSN
4820001433861

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
930,2IN,15PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
4698K14
Cage Code:
39428
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 4820-00-143-3861
What are the manufacturers of nsn 4820001433861?
Does this nsn 4820001433861 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820001433861
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 4820001433861 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820001433861 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820001433861?
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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