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Fluid Pressure Regulating Valve NSN 4820-00-659-4629

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 4820-00-659-4629 NSN: 4820-00-659-4629

Features and Characteristics

Body Material
Brass
Body Style
Straight thru
Stem Material
Brass
Media For Which Designed
Refrigerant, noncorrosive
First End Connection Type
Threaded external tube
First End Style Designator
Swivel nut, flare
First End Outside Diameter Tube Accommodated
0.500 inches
First End Thread Size And Series/type Designator
0.500-20 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 external pipe
Second End Style Designator
Gasket seal
Second End Thread Size And Series/type Designator
0.125-27 npt
Second End Thread Direction
Right-hand
Seat Material
Brass and steel, corrosion resisting
First End Seat Angle In Deg
45.0
Flow Control Device
Bellows and diaphragm
Flow Control Device Material
Beryllium copper and brass
End Connection Quantity
2
Renewable Seat Ring Type
Any acceptable
Mounting Facility
External thread
Regulation Type
Manual single stage
Manual Control Method
Knob
Valve Loading Method
Bellows
Remote Actuation Method
Bellows and diaphragm
Maximum Inlet Pressure Rating
40.0 pounds per square inch
Filter
Not included
FSC
4820 Nonpowered Valves
NIIN
006594629
NSN
4820006594629

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2355S206
Cage Code:
81997
Status:
A
MSDS:
Part Number:
235S40375
Cage Code:
91494
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 4820-00-659-4629
What are the manufacturers of nsn 4820006594629?
Does this nsn 4820006594629 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820006594629
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 4820006594629 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820006594629 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820006594629?
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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