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Safety Relief Valve NSN 4820-01-291-5227

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 4820-01-291-5227 NSN: 4820-01-291-5227

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Maximum Operating Temp
300.0 degrees fahrenheit single response
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 2nd end
Maximum Operating Pressure
2500.0 pounds per square inch single response
Thread Size
0.500 inches 1st end
Opening Pressure Setting
2000.0 pounds per square inch
Material
Plastic flow control device
Media For Which Designed
Water, fresh single response
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
012915227
NSN
4820012915227

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
381064
Cage Code:
55068
Status:
A
MSDS:
Part Number:
381076
Cage Code:
55068
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 4820-01-291-5227
What are the manufacturers of nsn 4820012915227?
Does this nsn 4820012915227 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012915227
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 4820012915227 contain any precious metals?
No precious metal content.
Does nsn 4820012915227 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012915227?
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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