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Safety Relief Valve NSN 4820-00-287-4626

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 4820-00-287-4626 NSN: 4820-00-287-4626

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Features and Characteristics

Pipe Size Accommodated
0.500 inches 2nd end
Thread Direction
Right-hand 1st end
Flow Control Device
Piston
Disk Loading Method
Spring
Maximum Operating Temp
425.0 degrees fahrenheit single response
Connection Style
Plain, optional en (pipe) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal pipe 1st end
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+11.0/+15.0 pounds per square inch
Maximum Operating Pressure
400.0 pounds per square inch single response
Thread Size
0.500 inches 2nd end
Material
Nickel alloy body
Style Designator
Angle
Thread Series Designator
Npt 1st end
FSC
4820 Nonpowered Valves
NIIN
002874626
NSN
4820002874626

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4900-984113ALT3PC1T012
Cage Code:
80064
Status:
A
MSDS:
Part Number:
4900-984113PC1T012
Cage Code:
80064
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 4820-00-287-4626
What are the manufacturers of nsn 4820002874626?
Does this nsn 4820002874626 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820002874626
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 4820002874626 contain any precious metals?
No precious metal content.
Does nsn 4820002874626 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820002874626?
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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