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Safety Relief Valve NSN 4820-00-203-7575

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 4820-00-203-7575 NSN: 4820-00-203-7575

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Features and Characteristics

Pipe Size Accommodated
0.250 inches 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Disk
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Valve Discharge Flow Rate
23.0 cubic feet per minute
Maximum Operating Temp
250.0 degrees fahrenheit single response
End Application
Grumman a10 aircraft
Connection Style
Plain (pipe) 1st end
Valve Operation Method
Automatic or manual
Connection Type
Threaded external pipe 1st end
Features Provided
Valve stem lock shield
Maximum Operating Pressure
300.0 pounds per square inch single response
Thread Size
0.250 inches 1st end
Opening Pressure Setting
70.0 pounds per square inch
Material
Stainless steel flow control device
Media For Which Designed
Air single response
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
002037575
NSN
4820002037575

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
48A-1-4-70PSI
Cage Code:
01343
Status:
A
MSDS:
Part Number:
112C-1/4-70PSI
Cage Code:
75336
Status:
A
MSDS:
Part Number:
1AC10858
Cage Code:
35301
Status:
A
MSDS:
Part Number:
AH15-646
Cage Code:
35301
Status:
A
MSDS:
Part Number:
C58449-7PC148
Cage Code:
82722
Status:
A
MSDS:
Part Number:
48-70
Cage Code:
01343
Status:
A
MSDS:
Part Number:
2AH15-646
Cage Code:
35301
Status:
A
MSDS:
Part Number:
H151329
Cage Code:
35301
Status:
A
MSDS:
Part Number:
10AC10858
Cage Code:
35301
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 4820-00-203-7575
What are the manufacturers of nsn 4820002037575?
Does this nsn 4820002037575 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002037575
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 4820002037575 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820002037575 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002037575?
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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