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Safety Relief Valve NSN 4820-00-958-7194

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 4820-00-958-7194 NSN: 4820-00-958-7194

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Features and Characteristics

Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside screw
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Valve Discharge Flow Rate
4.5 cubic feet per minute
Maximum Operating Temp
280.0 degrees fahrenheit 1st response
Connection Style
G50 external seat for gasket seal (boss) all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Features Provided
Valve stem lock shield
Maximum Operating Pressure
3.5 pounds per square inch single response
Thread Size
0.875 inches all ends
Opening Pressure Setting
3.5 pounds per square inch
Material
Aluminum alloy
Media For Which Designed
Nitrogen, gaseous 2nd response
Surface Treatment
Anodize
Style Designator
Err-090
Thread Series Designator
Unef all ends
FSC
4820 Nonpowered Valves
NIIN
009587194
NSN
4820009587194

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ZSP6-622P3-5
Cage Code:
98376
Status:
A
MSDS:
Part Number:
284-0073-001
Cage Code:
94756
Status:
A
MSDS:
Part Number:
334888
Cage Code:
56232
Status:
A
MSDS:
Part Number:
ZSP6-622-2
Cage Code:
98376
Status:
A
MSDS:
Part Number:
ZSP622-2
Cage Code:
98376
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 4820-00-958-7194
What are the manufacturers of nsn 4820009587194?
Does this nsn 4820009587194 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009587194
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 4820009587194 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009587194 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009587194?
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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