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Safety Relief Valve NSN 4820-00-724-8470

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 4820-00-724-8470 NSN: 4820-00-724-8470

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Features and Characteristics

Thread Direction
Right-hand 1st end
Flow Control Device
Piston
Bonnet Type
Inside spring
Bonnet Attachment Method
Pressure seal, ring type
Disk Loading Method
Spring
Valve Discharge Flow Rate
159.0 cubic feet per minute
Renewable Seat Ring Type
Pressed-in
Maximum Operating Temp
250.0 degrees fahrenheit single response
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Opening Pressure Setting
275.0 pounds per square inch
Special Features
Grumman, a10 aircraft
Material
Copper alloy
Media For Which Designed
Air single response
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
007248470
NSN
4820007248470

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
112C1-4IN-275PSI
Cage Code:
75336
Status:
A
MSDS:
Part Number:
48-1-4-275
Cage Code:
01343
Status:
A
MSDS:
Part Number:
48-1-4IN275LB
Cage Code:
01343
Status:
A
MSDS:
Part Number:
A211557-2
Cage Code:
32537
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 4820-00-724-8470
What are the manufacturers of nsn 4820007248470?
Does this nsn 4820007248470 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007248470
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 4820007248470 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007248470 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007248470?
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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