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Safety Relief Valve NSN 4820-00-492-4746

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 4820-00-492-4746 NSN: 4820-00-492-4746

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
225.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Adjustable Pressure Range
+10.0/+50.0 pounds per square inch
Maximum Operating Pressure
3600.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Material
Stainless steel flow control device
Media For Which Designed
Hydraulic fluid, petroleum base 2nd response
Surface Treatment
Anodize
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
004924746
NSN
4820004924746

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
622B-2-1/4-2
Cage Code:
09990
Status:
A
MSDS:
Part Number:
9-2446-5
Cage Code:
92003
Status:
A
MSDS:
Part Number:
622-2 1-4D
Cage Code:
45681
Status:
A
MSDS:
Part Number:
622-2-1-4D
Cage Code:
45681
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 4820-00-492-4746
What are the manufacturers of nsn 4820004924746?
Does this nsn 4820004924746 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004924746
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 4820004924746 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004924746 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004924746?
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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