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Fluid Pressure Regulating Valve NSN 4820-01-173-4176

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 4820-01-173-4176 NSN: 4820-01-173-4176

Features and Characteristics

Body Material
Bronze, astm b61
Body Style
Straight thru
Stem Material
Nickel copper alloy, qq-n-281
Media For Which Designed
Water
First End Connection Type
Unthreaded internal pipe
First End Style Designator
Socket w/brazing ring
First End Pipe Size Accommodated
1.250 inches
Second End Relationship With First End
Identical
Seat Material
Nickel copper alloy, qq-n-281
Flow Control Device
Disk
Flow Control Device Material
Rubber
End Connection Quantity
2
Outlet Pressure Range
+25.0/+60.0 pounds per square inch
Regulation Type
Automatic single stage
Valve Loading Method
Spring
Maximum Inlet Pressure Rating
250.0 pounds per square inch
Filter
Not included
FSC
4820 Nonpowered Valves
NIIN
011734176
NSN
4820011734176

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
40443-402-25T60 PSI
Cage Code:
55378
Status:
A
MSDS:
Part Number:
40443-04
Cage Code:
55378
Status:
A
MSDS:
Part Number:
40443-04-25T60 PSI
Cage Code:
55378
Status:
A
MSDS:
Part Number:
40443-402
Cage Code:
55378
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 4820-01-173-4176
What are the manufacturers of nsn 4820011734176?
Does this nsn 4820011734176 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011734176
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 4820011734176 contain any precious metals?
No precious metal content.
Does nsn 4820011734176 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011734176?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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