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Safety Relief Valve NSN 4820-00-911-7166

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 4820-00-911-7166 NSN: 4820-00-911-7166

Features and Characteristics

Pipe Size Accommodated
0.250 inches 2nd end
Thread Class
3a 1st end
Thread Direction
Right-hand 1st end
Flow Control Device
Poppet
Bonnet Type
Inside spring
Bonnet Attachment Method
Threaded
Disk Loading Method
Spring
Connection Style
G46b plain (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external tube 1st end
Features Provided
Bonnet packing
Thready Qty Per Inch (tpi)
18 1st end
Adjustable Pressure Range
+10.0/+50.0 pounds per square inch
Thread Size
0.562 inches 1st end
Seat Angle
37.0 degrees 1st end
Outside Diameter Tube Accommodated
0.375 inches 1st end
Material
Stainless steel flow control device
Style Designator
Err-090
Thread Series Designator
Unf 1st end
FSC
4820 Nonpowered Valves
NIIN
009117166
NSN
4820009117166

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
638X2-6
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 4820-00-911-7166
What are the manufacturers of nsn 4820009117166?
Does this nsn 4820009117166 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820009117166
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 4820009117166 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820009117166 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820009117166?
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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  •   Certificate of Conformance
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