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Safety Relief Valve NSN 4820-00-555-0356

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 4820-00-555-0356 NSN: 4820-00-555-0356

Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Integral
Disk Loading Method
Spring
Valve Discharge Flow Rate
1190.0 cubic feet per minute
Maximum Operating Temp
150.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded internal pipe 1st end
Features Provided
Pressure tight outlet side
Maximum Operating Pressure
1000.0 pounds per square inch single response
Thread Size
1.000 inches 2nd end
Opening Pressure Setting
300.0 pounds per square inch
Material
Steel stem
Media For Which Designed
Gas, inert 1st response
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
005550356
NSN
4820005550356

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
133PS799
Cage Code:
88807
Status:
A
MSDS:
Part Number:
133PS586
Cage Code:
88687
Status:
A
MSDS:
Part Number:
23A1IN300PSI
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 4820-00-555-0356
What are the manufacturers of nsn 4820005550356?
Does this nsn 4820005550356 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005550356
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 4820005550356 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005550356 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005550356?
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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