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Fluid Pressure Regulating Valve NSN 4820-00-037-2951

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 4820-00-037-2951 NSN: 4820-00-037-2951

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Features and Characteristics

Body Material
Aluminum alloy
Body Style
Tee
Stem Material
Steel, corrosion resisting
Media For Which Designed
Air and hydrocarbon fuels and oils
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.500 inches
First End Thread Size And Series/type Designator
3/4-16 unjf
First End Thread Class
3a
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded internal boss
Second End Style Designator
Gasket seal
Second End Thread Size And Series/type Designator
7/16-20 unjf
Second End Thread Class
3b
Second End Thread Direction
Right-hand
Third End Relationship With Preceding Ends
Identical with second end
Seat Material
Steel, corrosion resisting
First End Seat Angle In Deg
37.0
Flow Control Device
Diaphragm
End Connection Quantity
3
Regulation Type
Automatic single stage
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Maximum Inlet Pressure Rating
85.0 pounds per square inch
Filter
Not included
Tempurature Rating
Between -65.0 degrees celsius and 250.0 degrees celsius
Fsc Application Data
Pneumatic system, aircraft
FSC
4820 Nonpowered Valves
NIIN
000372951
NSN
4820000372951

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1354-526177
Cage Code:
92003
Status:
A
MSDS:
Part Number:
NA5-6310-3
Cage Code:
43999
Status:
A
MSDS:
Part Number:
165-948053
Cage Code:
89372
Status:
A
MSDS:
Part Number:
4-1750-78
Cage Code:
45681
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 4820-00-037-2951
What are the manufacturers of nsn 4820000372951?
Does this nsn 4820000372951 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820000372951
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 4820000372951 contain any precious metals?
No precious metal content.
Does nsn 4820000372951 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820000372951?
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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