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Safety Relief Valve NSN 4820-00-923-4431

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 4820-00-923-4431 NSN: 4820-00-923-4431

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Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Valve Discharge Flow Rate
7.0 gallons per minute
Connection Style
G5a flar (tube) 1st end
Connection Type
Threaded internal boss 1st end
Maximum Operating Pressure
115.0 pounds per square inch single response
Thread Size
0.563 inches 1st end
Outside Diameter Tube Accommodated
0.563 inches 1st end
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
009234431
NSN
4820009234431

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
29450-1
Cage Code:
99643
Status:
A
MSDS:
Part Number:
114HS123-4
Cage Code:
77272
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 4820-00-923-4431
What are the manufacturers of nsn 4820009234431?
Does this nsn 4820009234431 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009234431
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 4820009234431 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009234431 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009234431?
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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