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Calibrated Flow Valve NSN 4820-01-178-7025

Item Description

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

NSN 4820-01-178-7025 NSN: 4820-01-178-7025

Features and Characteristics

Body Material
Aluminum alloy, qq-a-225/6, alloy 2024, t351
Media For Which Designed
Air and gas and hydrocarbon fuels and oils
First End Connection Type
Threaded external tube
First End Style Designator
Flared
First End Outside Diameter Tube Accommodated
0.250 inches
First End Thread Size And Series/type Designator
0.438-20 unjf
First End Thread Class
3a
First End Thread Direction
Right-hand
First End Seat Angle In Deg
37.0
Flow Control Device
Piston, spring loaded
Valve Discharge Flow Rate
0.55 gallons per minute
FSC
4820 Nonpowered Valves
NIIN
011787025
NSN
4820011787025

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4C177
Cage Code:
82829
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 4820-01-178-7025
What are the manufacturers of nsn 4820011787025?
Does this nsn 4820011787025 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 4820011787025
A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. it is designed to be used with various fluids and may be preset and/or adjustable. it may be in-line or cartridge (manifold) design. excludes valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.
Does nsn 4820011787025 contain any precious metals?
No precious metal content.
Does nsn 4820011787025 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 4820011787025?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
33212
FIIG:
A21100
App. Key:
F
Cond. Code:
1
Status:
A

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