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Safety Relief Valve NSN 4820-00-287-5653

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 4820-00-287-5653 NSN: 4820-00-287-5653

Features and Characteristics

Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
1750.0 cubic feet per minute
Renewable Seat Ring Type
Threaded
Maximum Operating Temp
300.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) all ends
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe all ends
Maximum Operating Pressure
6500.0 pounds per square inch single response
Thread Size
0.750 inches all ends
Opening Pressure Setting
3200.0 pounds per square inch
Material
Stainless steel stem
Media For Which Designed
Gas, inert 2nd response
Style Designator
Angle
Thread Series Designator
Npt all ends
FSC
4820 Nonpowered Valves
NIIN
002875653
NSN
4820002875653

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
189P3-4IN
Cage Code:
01343
Status:
A
MSDS:
Part Number:
1254-H-L
Cage Code:
1MEG0
Status:
A
MSDS:
Part Number:
75012B005-A
Cage Code:
1MEG0
Status:
A
MSDS:
Part Number:
357HL
Cage Code:
1MEG0
Status:
A
MSDS:
Part Number:
264-3/4
Cage Code:
01343
Status:
A
MSDS:
Part Number:
109PS799
Cage Code:
88686
Status:
A
MSDS:
Part Number:
53P3-41N
Cage Code:
01343
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 4820-00-287-5653
What are the manufacturers of nsn 4820002875653?
Does this nsn 4820002875653 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002875653
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 4820002875653 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002875653 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002875653?
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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