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Fluid Pressure Regulating Valve NSN 4820-00-525-7837

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 4820-00-525-7837 NSN: 4820-00-525-7837

Features and Characteristics

Body Material
Brass, qq-b-626
Body Style
Y angle
Furnished Items
Cylinder gage and delivery gage
Unable To Decode
Unable to decode and unable to decode
Media For Which Designed
Argon and nitrogen, gaseous
First End Connection Type
Threaded external pipe
First End Style Designator
Plain
First End Thread Size And Series/type Designator
0.250-18 nptf
First End Thread Direction
Right-hand
Second End Relationship With First End
Not identical
Second End Connection Type
Threaded external gas cylinder
Second End Style Designator
Swivel nut, flared
Second End Thread Size And Series/type Designator
0.960-14 ngo
Second End Thread Direction
Right-hand
Flow Control Device
Needle
Flow Control Device Material
Brass, qq-b-626
End Connection Quantity
2
Second End Thread Pitch Diameters
+0.9050 to 0.9109 inches
Outlet Pressure Range
+0.0 to 100.0 pounds per square inch
Regulation Type
Automatic double stage
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
3000.0 pounds per square inch
Outlet Pressure Accuracy Rating
Not rated
Filter
Included
Unable To Decode
Unable to decode and unable to decode
FSC
4820 Nonpowered Valves
NIIN
005257837
NSN
4820005257837

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
81-580
Cage Code:
96355
Status:
A
MSDS:
Part Number:
772221-1
Cage Code:
96214
Status:
A
MSDS:
Part Number:
8CGA580
Cage Code:
96355
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 4820-00-525-7837
What are the manufacturers of nsn 4820005257837?
Does this nsn 4820005257837 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820005257837
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 4820005257837 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820005257837 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820005257837?
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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