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Restrictor Check Valve NSN 4820-01-420-1204

Item Description

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

NSN 4820-01-420-1204 NSN: 4820-01-420-1204

Features and Characteristics

Thread Class
3a 1st end
Thread Direction
Right-hand all ends
Maximum Operating Temp
250.0 degrees fahrenheit single response
Minimum Operating Temp
-40.0 degrees fahrenheit
End Application
Shipboard material handling equipment (mhe)
Connection Style
Plain (pipe) 2nd end
Valve Operation Method
Automatic
Connection Type
Threaded external pipe 2nd end
Mounting Position
Horizontal
Thready Qty Per Inch (tpi)
12 1st end
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
1.062 inches 1st end
Seat Angle
37.0 degrees 1st end
Media For Which Designed
Oil, hydraulic single response
Style Designator
Straight thru
Thread Series Designator
Un 1st end
FSC
4820 Nonpowered Valves
NIIN
014201204
NSN
4820014201204

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
28051-506-23
Cage Code:
58143
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 4820-01-420-1204
What are the manufacturers of nsn 4820014201204?
Does this nsn 4820014201204 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820014201204
A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. it does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.
Does nsn 4820014201204 contain any precious metals?
No precious metal content.
Does nsn 4820014201204 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820014201204?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
20520
FIIG:
A530B0
App. Key:
Cond. Code:
1
Status:
A

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