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Safety Relief Valve NSN 4820-00-980-4943

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 4820-00-980-4943 NSN: 4820-00-980-4943

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Features and Characteristics

Pipe Size Accommodated
2.000 inches 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Disk Loading Method
Spring
Renewable Seat Ring Type
Threaded
Connection Style
G9 plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Adjustable Pressure Range
+15.0/+35.0 pounds per square inch
Opening Pressure Setting
25.0 pounds per square inch
Style Designator
Err-090
Reference Number Differentiating Characteristics
Cleaned in accordance with mil-p-52211/ce/
FSC
4820 Nonpowered Valves
NIIN
009804943
NSN
4820009804943

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2-912
Cage Code:
40983
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 4820-00-980-4943
What are the manufacturers of nsn 4820009804943?
Does this nsn 4820009804943 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009804943
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 4820009804943 contain any precious metals?
No precious metal content.
Does nsn 4820009804943 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009804943?
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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