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Safety Relief Valve NSN 4820-00-946-8424

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 4820-00-946-8424 NSN: 4820-00-946-8424

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Valve Discharge Flow Rate
2.0 gallons per minute
Connection Style
G46b plain (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 1st end
Maximum Operating Pressure
550.0 pounds per square inch single response
Thread Size
0.125 inches 1st end
Opening Pressure Setting
550.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Water, fresh single response
Style Designator
Err-090
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
009468424
NSN
4820009468424

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
6032
Cage Code:
83790
Status:
A
MSDS:
Part Number:
18340
Cage Code:
83790
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 4820-00-946-8424
What are the manufacturers of nsn 4820009468424?
Does this nsn 4820009468424 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009468424
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 4820009468424 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009468424 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009468424?
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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