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System Pressure Regulating Valve NSN 4820-01-517-3425

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 4820-01-517-3425 NSN: 4820-01-517-3425

Features and Characteristics

First End Connection Type
Threaded internal tube
First End Outside Diameter Tube Accommodated
0.750 inches
First End Thread Size And Series/type Designator
0.750 npt
Second End Relationship With First End
Identical
Third End Relationship With Preceding Ends
Identical with first end
End Connection Quantity
3
Regulation Type
Automatic single stage
End Application
Electronic cooling water skid
Valve Size
0.750 inches
Part Name Assigned By Controlling Agency
Bypass valve
FSC
4820 Nonpowered Valves
NIIN
015173425
NSN
4820015173425

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
55831 ITEM 10
Cage Code:
91161
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 4820-01-517-3425
What are the manufacturers of nsn 4820015173425?
Does this nsn 4820015173425 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820015173425
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 4820015173425 contain any precious metals?
No precious metal content.
Does nsn 4820015173425 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820015173425?
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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