Fluid Pressure Regulating Valve NSN 4820-00-256-6545

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: 4820-00-256-6545

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Features and Characteristics

Body Material

Bronze, astm b61

Body Style

Straight thru

Stem Material

Nickel copper alloy, qq-n-286, class a

Media For Which Designed

Water, salt

First End Connection Type

Unthreaded internal tube

First End Style Designator

Socket w/brazing ring

First End Outside Diameter Tube Accommodated

1.250 inches

Second End Relationship With First End

Identical

Seat Material

Nickel copper alloy, qq-n-288, comp a

Flow Control Device

Disk, flat

Flow Control Device Material

Plastic, polyurethane

End Connection Quantity

Renewable Seat Ring Type

Threaded

Outlet Pressure Range

+25.0/+60.0 pounds per square inch

Regulation Type

Manual single stage

Manual Control Method

Screw

Valve Stem Design

Single seat

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

150.0 pounds per square inch

Filter

Not included

Tempurature Rating

165.0 degrees fahrenheit

Special Features

Magnetic permeability shall be less than 1.2 before fabrication and not greater than 2.0 after fabrication as measured in a 200 oersted field

Nondefinitive Specification/std Data

2 type

FSC

4820 Nonpowered Valves

NIIN

002566545

NSN

4820002566545

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MILV2042

Cage Code:

81349

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 4820-00-256-6545

What are the manufacturers of nsn 4820002566545?

Military Specifications (81349)

Does this nsn 4820002566545 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002566545
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 4820002566545 contain any precious metals?
No precious metal content.

Does nsn 4820002566545 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002566545?
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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