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Fluid Pressure Regulating Valve NSN 4820-01-389-0481

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 4820-01-389-0481 NSN: 4820-01-389-0481

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Features and Characteristics

Body Material
Zinc
Body Style
Straight thru
Furnished Items
Bonnet and outlet pressure gage and internal bypass valve
Media For Which Designed
Air
First End Connection Type
Threaded internal pipe
First End Style Designator
Optional end
First End Thread Size And Series/type Designator
1/2-14 nptf
First End Thread Direction
Right-hand
Second End Relationship With First End
Identical
Seat Material
Zinc
Packing Material
Rubber, chloroprene and rubber, buna-s
Flow Control Device
Disk, bevel seat, top guided
Flow Control Device Material
Brass
End Connection Quantity
2
Mounting Facility
Bracket
Outlet Pressure Range
+5.0 to 125.0 pounds per square inch
Regulation Type
Manual single stage
Manual Control Method
Knob
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
250.0 pounds per square inch
Filter
Included
End Application
Nimitz class cvn
Tempurature Rating
Between 0.0 degrees fahrenheit and 175.0 degrees fahrenheit
Special Features
12.050 in. H, 3.500 in. Dia, 3.910 in. Width; 25.0 micron element
FSC
4820 Nonpowered Valves
NIIN
013890481
NSN
4820013890481

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
B12
Cage Code:
43990
Status:
A
MSDS:
Part Number:
B12-497-M2LA
Cage Code:
43990
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 4820-01-389-0481
What are the manufacturers of nsn 4820013890481?
Does this nsn 4820013890481 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013890481
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 4820013890481 contain any precious metals?
No precious metal content.
Does nsn 4820013890481 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013890481?
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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