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Safety Relief Valve NSN 4820-00-726-9057

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 4820-00-726-9057 NSN: 4820-00-726-9057

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Features and Characteristics

Thread Class
3b 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Piston
Disk Loading Method
Spring
Connection Style
Gasket sea (boss) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 2nd end
Features Provided
Pressure tight outlet side
Thready Qty Per Inch (tpi)
20 2nd end
Adjustable Pressure Range
+2500.0/+5000.0 pounds per square inch
Maximum Operating Pressure
5000.0 pounds per square inch single response
Thread Size
0.750 inches 1st end
Opening Pressure Setting
2500.0 pounds per square inch
Material
Aluminum alloy body
Media For Which Designed
Fuel/oil, hydrocarbon single response
Surface Treatment
Anodize
Style Designator
Angle
Thread Series Designator
Unf 2nd end
FSC
4820 Nonpowered Valves
NIIN
007269057
NSN
4820007269057

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
75323-1
Cage Code:
86768
Status:
A
MSDS:
Part Number:
S214
Cage Code:
86768
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 4820-00-726-9057
What are the manufacturers of nsn 4820007269057?
Does this nsn 4820007269057 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820007269057
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 4820007269057 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820007269057 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820007269057?
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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