Fluid Pressure Regulating Valve NSN 4820-00-474-2255

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: 4820-00-474-2255

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Features and Characteristics

Body Material

Aluminum alloy

Body Style

Tee angle

Media For Which Designed

Hydrocarbon fuels and oils

First End Connection Type

Threaded internal boss

First End Style Designator

Gasket seal

First End Thread Size And Series/type Designator

3/4-16 unjf

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Third End Relationship With Preceding Ends

Identical with first end

Fourth End Relationship With Preceding Ends

Not identical with first, second or third end

Fourth End Connection Type

Threaded internal boss

Fourth End Style Designator

Gasket seal

Fourth End Thread Size And Series/type Designator

7/16-20 unjf

Fourth End Thread Class

Fourth End Thread Direction

Right-hand

Seat Material

Steel, corrosion resisting

End Connection Quantity

Outlet Pressure Range

+1250.0/+1550.0 pounds per square inch

Regulation Type

Automatic double stage

Valve Stem Design

Single seat

Remote Actuation Method

Piston

Maximum Inlet Pressure Rating

2500.0 pounds per square inch

Filter

Not included

Fsc Application Data

Hydraulic system, acft

FSC

4820 Nonpowered Valves

NIIN

004742255

NSN

4820004742255

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

AA14521A

Cage Code:

62983

Status:

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 4820-00-474-2255

What are the manufacturers of nsn 4820004742255?

Eaton Aerospace Llc (62983)

Does this nsn 4820004742255 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004742255
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 4820004742255 contain any precious metals?
No precious metal content.

Does nsn 4820004742255 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004742255?
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:

Cond. Code:

Status:

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