Fluid Pressure Regulating Valve NSN 4820-01-389-0481

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: 4820-01-389-0481

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Features and Characteristics

Body Material

Zinc

Body Style

Straight thru

Furnished Items

Bonnet and outlet pressure gage and internal bypass valve

Media For Which Designed

Air

First End Connection Type

Threaded internal pipe

First End Style Designator

Optional end

First End Thread Size And Series/type Designator

1/2-14 nptf

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Seat Material

Zinc

Packing Material

Rubber, chloroprene and rubber, buna-s

Flow Control Device

Disk, bevel seat, top guided

Flow Control Device Material

Brass

End Connection Quantity

Mounting Facility

Bracket

Outlet Pressure Range

+5.0 to 125.0 pounds per square inch

Regulation Type

Manual single stage

Manual Control Method

Knob

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

250.0 pounds per square inch

Filter

Included

End Application

Nimitz class cvn

Tempurature Rating

Between 0.0 degrees fahrenheit and 175.0 degrees fahrenheit

Special Features

12.050 in. H, 3.500 in. Dia, 3.910 in. Width; 25.0 micron element

FSC

4820 Nonpowered Valves

NIIN

013890481

NSN

4820013890481

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

B12

Cage Code:

43990

Status:

MSDS:

Part Number:

B12-497-M2LA

Cage Code:

43990

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 4820-01-389-0481

What are the manufacturers of nsn 4820013890481?

Norgren C A Co (43990)

Does this nsn 4820013890481 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013890481
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 4820013890481 contain any precious metals?
No precious metal content.

Does nsn 4820013890481 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013890481?
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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