Fluid Pressure Regulating Valve NSN 4820-01-421-6828

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: 4820-01-421-6828

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Features and Characteristics

Body Material

Copper alloy

First End Flange Outside Diameter

4.625 inches

Body Style

Straight thru

Media For Which Designed

Air

First End Connection Type

Plain face flange

First End Style Designator

Plain

First End Flange Shape Style

Round w/ bolt holes

First End Flange Thickness

0.406 inches

First End Bolt Hole Quantity

First End Bolt Hole Diameter

0.625 inches

First End Bolt Circle Diameter

3.500 inches

Second End Relationship With First End

Identical

Seat Material

Steel, corrosion resisting

Face To Face Distance

6.688 inches

Flow Control Device

Disk

Flow Control Device Material

Steel, corrosion resisting

End Connection Quantity

Regulation Type

Manual single stage

Manual Control Method

Wheel

Valve Loading Method

Spring

Filter

Not included

End Application

Strategic sealift conversion ships class

FSC

4820 Nonpowered Valves

NIIN

014216828

NSN

4820014216828

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

11/4AAF-AIR

Cage Code:

32869

Status:

MSDS:

Part Number:

11/4AAF-150-AIR

Cage Code:

32869

Status:

MSDS:

Part Number:

25366A

Cage Code:

32869

Status:

MSDS:

Part Number:

13687-C

Cage Code:

32869

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 4820-01-421-6828

What are the manufacturers of nsn 4820014216828?

O. C. Keckley Company (32869)

Does this nsn 4820014216828 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014216828
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 4820014216828 contain any precious metals?
No precious metal content.

Does nsn 4820014216828 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014216828?
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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