Fluid Pressure Regulating Valve NSN 4820-01-451-7973

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: 4820-01-451-7973

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Features and Characteristics

Body Material

Steel, corrosion resisting

Body Style

Straight thru

Media For Which Designed

Gas and liquid, noncorrosive

First End Connection Type

Threaded internal tube

First End Style Designator

Gasket seal

First End Outside Diameter Tube Accommodated

0.313 inches

First End Thread Size And Series/type Designator

3/4-16 unjf

First End Thread Class

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Seat Material

Steel, corrosion resisting and plastic

First End Seat Angle In Deg

120.0

Packing Material

Plastic, polypropylene

Flow Control Device

Diaphragm

Flow Control Device Material

Rubber

End Connection Quantity

Outlet Pressure Range

+0.0/+120.0 pounds per square inch

Regulation Type

Automatic single stage

Valve Loading Method

Spring

Maximum Inlet Pressure Rating

4400.0 pounds per square inch

Filter

Not included

End Application

Tarawa class lha

Tempurature Rating

Between -20.0 degrees fahrenheit and 165.0 degrees fahrenheit

FSC

4820 Nonpowered Valves

NIIN

014517973

NSN

4820014517973

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1346-1KT

Cage Code:

66573

Status:

MSDS:

Part Number:

134600

Cage Code:

66573

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 4820-01-451-7973

What are the manufacturers of nsn 4820014517973?

Circor Aerospace, Inc. (66573)
Circor Aerospace, Inc. (91816)

Does this nsn 4820014517973 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014517973
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 4820014517973 contain any precious metals?
No precious metal content.

Does nsn 4820014517973 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014517973?
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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