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Fluid Pressure Regulating Valve NSN 4820-01-078-9948

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 4820-01-078-9948 NSN: 4820-01-078-9948

Features and Characteristics

Body Material
Copper alloy, qq-c-390, d5
First End Flange Outside Diameter
4.250 inches
Body Style
Straight thru
Stem Material
Nickel copper alloy, qq-n-286, class a or nickel copper alloy, qq-n-286, class b
Media For Which Designed
Water, salt
First End Connection Type
Plain face flange
First End Style Designator
Plain
First End Flange Shape Style
Round w/ bolt holes
First End Flange Thickness
0.843 inches
First End Bolt Hole Quantity
4
First End Bolt Hole Diameter
0.562 inches
First End Bolt Circle Diameter
3.125 inches
Second End Relationship With First End
Identical
Seat Material
Nickel aluminum bronze, astm b-150
Flow Control Device
Diaphragm
Flow Control Device Material
Rubber, synthetic
End Connection Quantity
2
Outlet Pressure Range
+10.0/+25.0 pounds per square inch
Regulation Type
Automatic single stage
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
700.0 pounds per square inch
Outlet Pressure Accuracy Rating
Not rated
Filter
Not included
Tempurature Rating
150.0 degrees fahrenheit
Nondefinitive Specification/std Data
1 type
FSC
4820 Nonpowered Valves
NIIN
010789948
NSN
4820010789948

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MIL-V-2042
Cage Code:
81349
Status:
A
MSDS:
Part Number:
19395N FLGE CL HWWLN
Cage Code:
35795
Status:
A
MSDS:
Part Number:
19324N 1IN 10T25PSI FLGE
Cage Code:
35795
Status:
A
MSDS:
Part Number:
19324N
Cage Code:
35795
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 4820-01-078-9948
What are the manufacturers of nsn 4820010789948?
Does this nsn 4820010789948 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820010789948
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 4820010789948 contain any precious metals?
Precious metal content is unknown.
Does nsn 4820010789948 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820010789948?
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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