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Safety Relief Valve NSN 4820-00-289-1811

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 4820-00-289-1811 NSN: 4820-00-289-1811

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Maximum Operating Temp
400.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe all ends
Features Provided
Pressure tight outlet side
Adjustable Pressure Range
+100.0/+300.0 pounds per square inch
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.375 inches all ends
Material
Stainless steel stem
Media For Which Designed
Fuel/oil, hydrocarbon single response
Style Designator
Angle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
002891811
NSN
4820002891811

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
A0G1S5101-52ALT1PC51
Cage Code:
53711
Status:
A
MSDS:
Part Number:
YSR17S5100-703108PC142
Cage Code:
53711
Status:
A
MSDS:
Part Number:
YSR17S5100-703108PC51H
Cage Code:
53711
Status:
A
MSDS:
Part Number:
12039WA524-20
Cage Code:
03268
Status:
A
MSDS:
Part Number:
12039WAM1
Cage Code:
03268
Status:
A
MSDS:
Part Number:
12039WM524-250
Cage Code:
03268
Status:
A
MSDS:
Part Number:
C371APC142
Cage Code:
03268
Status:
A
MSDS:
Part Number:
C371APC51H
Cage Code:
03268
Status:
A
MSDS:
Part Number:
C621PC51
Cage Code:
03268
Status:
A
MSDS:
Part Number:
C763PC51
Cage Code:
03268
Status:
A
MSDS:
Part Number:
MC120-5PC51
Cage Code:
03268
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 4820-00-289-1811
What are the manufacturers of nsn 4820002891811?
Does this nsn 4820002891811 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002891811
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 4820002891811 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002891811 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002891811?
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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