Fluid Pressure Regulating Valve NSN 4820-01-061-6539

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: 4820-01-061-6539

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Features and Characteristics

Body Material

Steel, mil-s-15083, grade b

First End Flange Outside Diameter

4.880 inches

Second End Flange Outside Diameter

4.250 inches

Body Style

Straight thru

Stem Material

Nickel-copper alloy, qq-n-281, class a

Media For Which Designed

Water

First End Connection Type

Recessed flange

First End Style Designator

Recessed

First End Recess Diameter

2.000 inches

First End Recess Depth

0.250 inches

First End Flange Shape Style

Round w/ bolt holes

First End Flange Thickness

0.250 inches

First End Bolt Hole Quantity

First End Bolt Hole Diameter

0.750 inches

First End Bolt Circle Diameter

3.500 inches

Second End Relationship With First End

Not identical

Second End Connection Type

Raised face flange

Second End Style Designator

Raised

Err Default

Err default

Err Default

Err default

Second End Flange Shape Style

Round w/ bolt holes

Second End Flange Thickness

0.060 inches

Second End Bolt Hole Quantity

Second End Bolt Hole Diameter

0.620 inches

Second End Bolt Circle Diameter

3.120 inches

Seat Material

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

Face To Face Distance

9.438 inches

Packing Material

Rubber, buna-n

Flow Control Device

Disk

Flow Control Device Material

Nickel-copper alloy, qq-n-281, class a

End Connection Quantity

Renewable Seat Ring Type

Threaded

Regulation Type

Automatic single stage

Valve Stem Design

Single seat

Valve Loading Method

Spring

Remote Actuation Method

Diaphragm

Maximum Inlet Pressure Rating

100.0 pounds per square inch

Outlet Pressure Setting

96.0 pounds per square inch

Filter

Not included

Special Features

Controls back pressure

Specification Data

81349-mil-v-20065a government specification

Nondefinitive Specification/std Data

B type and b class

FSC

4820 Nonpowered Valves

NIIN

010616539

NSN

4820010616539

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-V-20065A

Cage Code:

81349

Status:

MSDS:

Part Number:

40321-003

Cage Code:

55378

Status:

MSDS:

Part Number:

40321

Cage Code:

55378

Status:

MSDS:

Part Number:

72296

Cage Code:

75545

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 4820-01-061-6539

What are the manufacturers of nsn 4820010616539?

Does this nsn 4820010616539 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010616539
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 4820010616539 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820010616539 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010616539?
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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