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Safety Relief Valve NSN 4820-01-089-7143

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 4820-01-089-7143 NSN: 4820-01-089-7143

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
End Application
Mars class afs
Connection Style
G9 plain, optional en (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Thread Size
0.250 inches all ends
Opening Pressure Setting
875.0 pounds per square inch
Material
Copper alloy
Media For Which Designed
Air single response
Style Designator
Err-090
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
010897143
NSN
4820010897143

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1447-05
Cage Code:
94774
Status:
A
MSDS:
Part Number:
103
Cage Code:
75336
Status:
A
MSDS:
Part Number:
103DP
Cage Code:
75336
Status:
A
MSDS:
Part Number:
103DP 1-2X3-8IN 875PSI
Cage Code:
75336
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 4820-01-089-7143
What are the manufacturers of nsn 4820010897143?
Does this nsn 4820010897143 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010897143
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 4820010897143 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010897143 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010897143?
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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