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Safety Relief Valve NSN 4820-01-657-7146

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 4820-01-657-7146 NSN: 4820-01-657-7146

Features and Characteristics

Maximum Operating Temp
250.00 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
Connection Style
Flar (tube) 1st end
Valve Operation Method
Automatic
Connection Type
Threaded internal boss 1st end
Thready Qty Per Inch (tpi)
14 all ends
Maximum Operating Pressure
3500.00 pounds per square inch single response
Thread Size
0.875 inches all ends
Face To Face Distance
3.40 inches
Part Name Assigned By Controlling Agency
Velocity fuse
Special Features
Inlet: -10 sae; outlet: -10 jic; fail safe design, rapid response; flow range: 2.0 to 40.0 gpm; closing flow: 40 gpm;
Material
Steel body
Style Designator
Straight through note: to be used for valve bodies of one section only.
FSC
4820 Nonpowered Valves
NIIN
016577146
NSN
4820016577146

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
28001-210-40
Cage Code:
58143
Status:
A
MSDS:
Part Number:
901000
Cage Code:
38490
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-657-7146
What are the manufacturers of nsn 4820016577146?
Does this nsn 4820016577146 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820016577146
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 4820016577146 contain any precious metals?
Precious metals vary between manufacturers.
Does nsn 4820016577146 contain any hazardous materials?
Hazardous material unknown.
What is the ESD classification of nsn 4820016577146?
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
  •   Quality Inspected Parts
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