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Fluid Pressure Regulating Valve NSN 4820-00-449-7869

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 4820-00-449-7869 NSN: 4820-00-449-7869

Features and Characteristics

Body Material
Brass or bronze
Body Style
Angle
Furnished Items
Automatic relief valve and inlet pressure gage and outlet pressure gage
Media For Which Designed
Oxygen, gaseous
First End Connection Type
Threaded internal tube
First End Style Designator
Swivel nut, gas
First End Outside Diameter Tube Accommodated
0.625 inches
First End Thread Size And Series/type Designator
7/8-18 uns
First End Thread Class
3b
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external tube
Second End Style Designator
Inverted flare
Second End Outside Diameter Tube Accommodated
0.563 inches
Second End Thread Size And Series/type Designator
9/16-18 unf
Second End Thread Class
3a
Second End Thread Direction
Right-hand
Second End Seat Angle In Deg
45.0
Flow Control Device
Diaphragm
End Connection Quantity
2
Outlet Pressure Range
+0.0 to 200.0 pounds per square inch
Regulation Type
Automatic double stage
Valve Loading Method
Dome
Maximum Inlet Pressure Rating
3000.0 pounds per square inch
Filter
Included
Tempurature Rating
120.0 degrees fahrenheit
Special Features
Inlet protection cap
FSC
4820 Nonpowered Valves
NIIN
004497869
NSN
4820004497869

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
8068466
Cage Code:
00741
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 4820-00-449-7869
What are the manufacturers of nsn 4820004497869?
Does this nsn 4820004497869 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820004497869
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 4820004497869 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820004497869 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820004497869?
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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