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Safety Relief Valve NSN 4820-00-477-1830

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 4820-00-477-1830 NSN: 4820-00-477-1830

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Valve Discharge Flow Rate
50.0 gallons per minute
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Opening Pressure Setting
2000.0 pounds per square inch
Material
Steel
Media For Which Designed
Oil, hydraulic single response
Style Designator
Angle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
004771830
NSN
4820004771830

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B-06-2M-10A4
Cage Code:
62983
Status:
A
MSDS:
Part Number:
B-06-2M-10A2
Cage Code:
24785
Status:
A
MSDS:
Part Number:
BT04-2M10A2
Cage Code:
24785
Status:
A
MSDS:
Part Number:
20886
Cage Code:
11243
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 4820-00-477-1830
What are the manufacturers of nsn 4820004771830?
Does this nsn 4820004771830 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004771830
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 4820004771830 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004771830 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004771830?
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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