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Safety Relief Valve NSN 4820-00-914-4684

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 4820-00-914-4684 NSN: 4820-00-914-4684

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Features and Characteristics

Thread Class
2a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Connection Style
G50 external seat for gasket seal (boss) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded external boss 1st end
Features Provided
Valve stem lock shield
Thready Qty Per Inch (tpi)
14 1st end
Thread Size
1.000 inches 1st end
Opening Pressure Setting
500.0 pounds per square inch
Outside Diameter Tube Accommodated
0.625 inches 1st end
Material
Steel stem
Style Designator
Err-090
Thread Series Designator
Uns 1st end
FSC
4820 Nonpowered Valves
NIIN
009144684
NSN
4820009144684

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
Y239-2-5
Cage Code:
8Z296
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 4820-00-914-4684
What are the manufacturers of nsn 4820009144684?
Does this nsn 4820009144684 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009144684
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 4820009144684 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009144684 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009144684?
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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