Fluid Pressure Regulating Valve NSN 4820-00-232-6945

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: 4820-00-232-6945

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Features and Characteristics

Body Material

Aluminum alloy, qq-a-250/11, alloy 6061, t4 and aluminum alloy, qq-a-250/11, alloy 6061, t6

Stem Material

Steel, corrosion resisting, qq-s-763, class 302, 303, 304, 305, 310, or 316

Media For Which Designed

Air and nitrogen, gaseous

First End Connection Type

Threaded internal tube

First End Style Designator

Gasket seal

First End Bolt Hole Diameter

0.500 inches

First End Thread Size And Series/type Designator

3/4-16 unf

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Threaded internal tube

Second End Style Designator

Gasket seal

Second End Outside Diameter Tube Accommodated

0.375 inches

Second End Thread Size And Series/type Designator

9/16-14 unf

Second End Thread Class

Seat Material

Steel, corrosion resisting, qq-s-763, class 302, 303, 304, 305, 310, or 316

First End Seat Angle In Deg

15.0

Second End Seat Angle In Deg

12.0

First End Seat Radius

Between 0.005 inches and 0.010 inches

Second End Seat Radius

Between 0.005 inches and 0.010 inches

Packing Material

Rubber, synthetic, mil-p-5516

Flow Control Device

Poppet

Flow Control Device Material

Steel, corrosion resisting, qq-s-763, class 302, 303, 304, 305, 310, or 316

End Connection Quantity

First End Thread Pitch Diameters

+0.7094/+0.7159 inches

Second End Thread Pitch Diameters

+0.5264/+0.5323 inches

Mounting Facility

Bolts

Outlet Pressure Range

+635.0/+1475.0 pounds per square inch

Valve Stem Design

Double seat

Valve Loading Method

Spring

Remote Actuation Method

Piston

Filter

Not included

Tempurature Rating

Between 0.0 degrees fahrenheit and 160.0 degrees fahrenheit

FSC

4820 Nonpowered Valves

NIIN

002326945

NSN

4820002326945

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2663265-1

Cage Code:

30003

Status:

MSDS:

Part Number:

RV74C226174-3

Cage Code:

99657

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 4820-00-232-6945

What are the manufacturers of nsn 4820002326945?

Naval Air Systems Command (30003)
Marotta Controls, Inc. (99657)

Does this nsn 4820002326945 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002326945
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 4820002326945 contain any precious metals?
No precious metal content.

Does nsn 4820002326945 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002326945?
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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Certificate of Conformance
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