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Safety Relief Valve NSN 4820-01-093-7289

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 4820-01-093-7289 NSN: 4820-01-093-7289

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Bolted
Disk Loading Method
Spring
Connection Style
G9 plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
160.0 pounds per square inch single response
Thread Size
1.000 inches all ends
Opening Pressure Setting
70.0 pounds per square inch
Special Features
Valve has emergency btu steam discharge capacity but is not to be used for steam service installations
Material
Copper alloy
Media For Which Designed
Water, fresh single response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
010937289
NSN
4820010937289

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
174A-1IN-SET70PSI
Cage Code:
79227
Status:
A
MSDS:
Part Number:
HWREV2882
Cage Code:
79227
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 4820-01-093-7289
What are the manufacturers of nsn 4820010937289?
Does this nsn 4820010937289 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010937289
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 4820010937289 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010937289 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010937289?
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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