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Fluid Pressure Regulating Valve NSN 4820-01-139-4348

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 4820-01-139-4348 NSN: 4820-01-139-4348

Features and Characteristics

Body Material
Steel, astm a216, grade wcb
First End Flange Outside Diameter
5.500 inches
Body Style
Straight thru
Stem Material
Steel, corrosion resisting
First End Connection Type
Raised face flange
First End Style Designator
Raised
First End Raised Face Height
0.061 inches
First End Raised Face Diameter
2.000 inches
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.688 inches
First End Bolt Hole Quantity
6
First End Bolt Hole Diameter
0.719 inches
First End Bolt Circle Diameter
4.250 inches
Second End Relationship With First End
Identical
Seat Material
Steel, corrosion resisting
Flow Control Device
Stem and integral disk
Flow Control Device Material
Steel, corrosion resisting
End Connection Quantity
2
Regulation Type
1st stage automatic, 2nd stage manual
Manual Control Method
Wheel
Valve Loading Method
Dome
Filter
Not included
Tempurature Rating
450.0 degrees fahrenheit
Supplementary Features
This item has been reviewed for asbestos material the current approved sources 35795 have indicated their part number contained asbestos prior to 1984.They continue to manufacture the same part number without asbestos material after 1984
FSC
4820 Nonpowered Valves
NIIN
011394348
NSN
4820011394348

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
3BXJ2NL
Cage Code:
35795
Status:
A
MSDS:
Part Number:
DOGNS AND 14363N
Cage Code:
35795
Status:
A
MSDS:
Part Number:
34BXA2NL
Cage Code:
35795
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 4820-01-139-4348
What are the manufacturers of nsn 4820011394348?
Does this nsn 4820011394348 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011394348
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 4820011394348 contain any precious metals?
No precious metal content.
Does nsn 4820011394348 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011394348?
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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