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Fluid Pressure Regulating Valve NSN 4820-01-220-5668

Item Description

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

NSN 4820-01-220-5668 NSN: 4820-01-220-5668

Features and Characteristics

Body Material
Brass
Body Style
Angle
Furnished Items
Automatic relief valve and inlet pressure gage and outlet pressure gage
Media For Which Designed
Argon and nitrogen, gaseous
First End Connection Type
Threaded external tube
First End Style Designator
Inverted flare
First End Outside Diameter Tube Accommodated
0.375 inches
First End Thread Size And Series/type Designator
0.562-18 unf
First End Thread Class
2a
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal gas cylinder
Second End Style Designator
Swivel nut, gas
Second End Thread Size And Series/type Designator
0.965-14 ngo
Second End Thread Direction
Right-hand
First End Seat Angle In Deg
35.0
Flow Control Device
Diaphragm
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Second End Thread Pitch Diameters
+0.8530 to 0.8566 inches
Outlet Pressure Range
+2.0 to 40.0 pounds per square inch
Regulation Type
1st stage manual, 2nd stage automatic
Manual Control Method
Tee handle
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
3000.0 pounds per square inch
Filter
Included
FSC
4820 Nonpowered Valves
NIIN
012205668
NSN
4820012205668

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
VTSG450B-580
Cage Code:
63026
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8481809015
  • NAICS: 332911
  • SITC: 74780
  • Description: Regulator valves, self-operating, for controlling variables such as temperature, pressure, flow and liquid level
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-01-220-5668
What are the manufacturers of nsn 4820012205668?
Does this nsn 4820012205668 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012205668
A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. it is designed for use with compressed gas(es) and various liquids and may include gauges. it may be inline or cartridge (manifold) design. excludes regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.
Does nsn 4820012205668 contain any precious metals?
No precious metal content.
Does nsn 4820012205668 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012205668?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
27565
FIIG:
A21100
App. Key:
D
Cond. Code:
2
Status:
A

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