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Fluid Pressure Regulating Valve NSN 4820-01-379-4625

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 4820-01-379-4625 NSN: 4820-01-379-4625

Features and Characteristics

Body Material
Copper alloy
Body Style
Straight thru
Stem Material
Nickel copper alloy, qq-n-288
Media For Which Designed
Water, salt
First End Connection Type
Unthreaded internal pipe
First End Style Designator
Socket w/brazing ring
First End Pipe Size Accommodated
1.500 inches
Second End Relationship With First End
Identical
Seat Material
Nickel copper alloy, qq-n-288
Flow Control Device
Disk
Flow Control Device Material
Rubber, synthetic, mil-d-17650
End Connection Quantity
2
Outlet Pressure Range
+85.0/+125.0 pounds per square inch
Regulation Type
1st stage automatic, 2nd stage manual
Manual Control Method
Screw
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Maximum Inlet Pressure Rating
150.0 pounds per square inch
Filter
Not included
Specification Data
81349-mil-v-2042d government specification
Nondefinitive Specification/std Data
1 type
FSC
4820 Nonpowered Valves
NIIN
013794625
NSN
4820013794625

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-V-2042D
Cage Code:
81349
Status:
A
MSDS:
Part Number:
40444-9 ASSEMBLY 40444-904
Cage Code:
55378
Status:
A
MSDS:
Part Number:
40444 ASSEMBLY 40444-904
Cage Code:
55378
Status:
A
MSDS:
Part Number:
40444 ASSEMBLY 40444-905
Cage Code:
55378
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 4820-01-379-4625
What are the manufacturers of nsn 4820013794625?
Does this nsn 4820013794625 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820013794625
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 4820013794625 contain any precious metals?
No precious metal content.
Does nsn 4820013794625 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820013794625?
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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