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Safety Relief Valve NSN 4820-01-103-9020

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 4820-01-103-9020 NSN: 4820-01-103-9020

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Features and Characteristics

Thread Class
2a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Ball
End Application
4730-01-105-1306 manifold hydraulic fluid stabilizer assembly onboard 270 ft wmec coast guard vessels
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded cartridge 1st end
Adjustable Pressure Range
+1250.0/+5000.0 pounds per square inch
Thread Size
1.312 inches 1st end
Material
Steel
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
011039020
NSN
4820011039020

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
RAH161S30
Cage Code:
09990
Status:
A
MSDS:
Part Number:
1856991
Cage Code:
03956
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 4820-01-103-9020
What are the manufacturers of nsn 4820011039020?
Does this nsn 4820011039020 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011039020
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 4820011039020 contain any precious metals?
No precious metal content.
Does nsn 4820011039020 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011039020?
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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