Fluid Pressure Regulating Valve NSN 4820-00-557-4949

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: 4820-00-557-4949

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Features and Characteristics

Body Material

Bronze

Body Style

Straight thru

Stem Material

Steel, corrosion resisting

Furnished Items

Inlet pressure gage and outlet pressure gage

First End Connection Type

Threaded internal pipe

First End Style Designator

Plain

First End Thread Size And Series/type Designator

0.250 nptf

First End Thread Direction

Right-hand

Second End Relationship With First End

Identical

Seat Material

Plastic, nylon resin

Packing Material

Plastic, tetrafluoroethylene

Flow Control Device

Diaphragm

Flow Control Device Material

Rubber, chloroprene

End Connection Quantity

Regulation Type

Manual single stage

Manual Control Method

Knob

Valve Loading Method

Dome

Maximum Inlet Pressure Rating

10000.0 pounds per square inch

Filter

Not included

Tempurature Rating

Between -65.0 degrees fahrenheit and 160.0 degrees fahrenheit

FSC

4820 Nonpowered Valves

NIIN

005574949

NSN

4820005574949

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

GD 80 AB 42 L

Cage Code:

91816

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 4820-00-557-4949

What are the manufacturers of nsn 4820005574949?

Circor Aerospace, Inc. (91816)

Does this nsn 4820005574949 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820005574949
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 4820005574949 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820005574949 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820005574949?
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
Quality Inspected Parts
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