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System Pressure Regulating Valve NSN 4820-01-259-5844

Item Description

A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. The excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. It is designed primarily for use in refrigeration and air conditioning systems. Excludes valve, regulating, fluid pressure and valve, calibrated flow.

NSN 4820-01-259-5844 NSN: 4820-01-259-5844

Features and Characteristics

Body Material
Brass
Body Style
Straight thru
Media For Which Designed
Air
First End Connection Type
Unthreaded internal tube
First End Style Designator
Plain
First End Outside Diameter Tube Accommodated
0.625 inches
Second End Relationship With First End
Identical
Flow Control Device
Piston, top guided
End Connection Quantity
2
Outlet Pressure Range
+1.0/+80.0 pounds per square inch
Regulation Type
1st stage manual, 2nd stage automatic
Manual Control Method
Screw
Valve Loading Method
Spring
Remote Actuation Method
Diaphragm
Filter
Not included
Special Features
External equalizer thd ext flare 0.250 in.
FSC
4820 Nonpowered Valves
NIIN
012595844
NSN
4820012595844

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ADRPE-3-0/80-5/8 ODF
Cage Code:
78462
Status:
A
MSDS:
Part Number:
ADRFE-3-0/80-5/8 ODF
Cage Code:
78462
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 4820-01-259-5844
What are the manufacturers of nsn 4820012595844?
Does this nsn 4820012595844 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820012595844
A value designed to automatically maintain within close limits a predetermined pressure within a closed system regardless of the higher fluctuating or constant inlet pressure. the excess pressure is by-passed to the accumulator or reservoir in lieu of passing through the entire system. it is designed primarily for use in refrigeration and air conditioning systems. excludes valve, regulating, fluid pressure and valve, calibrated flow.
Does nsn 4820012595844 contain any precious metals?
No precious metal content.
Does nsn 4820012595844 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820012595844?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
35896
FIIG:
A21100
App. Key:
D
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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