Pressure And Temper Relief Valve NSN 4820-00-145-5147

Item Description

A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.

NSN: 4820-00-145-5147

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Features and Characteristics

Body Material

Steel, stainless, type 303

Body Style

Straight thru

Tempurature Rating

500.0 degrees fahrenheit

Media For Which Designed

Air or nitrogen, gaseous

First End Connection Type

Threaded external gas cylinder

First End Style Designator

Gasket seal

First End Thread Size And Series/type Designator

0.312-24 unf

First End Thread Direction

Right-hand

Second End Relationship With First End

Not identical

Second End Connection Type

Raised face flange

Second End Style Designator

Plain

Second End Raised Face Diameter

Between 0.485 inches and 0.495 inches

Second End Flange Shape Style

Hexagon w/o bolt holes

Second End Flange Thickness

Between 0.175 inches and 0.205 inches

Second End Width Across Flats

0.500 inches

Flow Control Device

Poppet

End Connection Quantity

Valve Discharge Flow Rate

Not rated

Tempurature Adjustability

Not adjustable

Special Features

Raised face slotted eight places

FSC

4820 Nonpowered Valves

NIIN

001455147

NSN

4820001455147

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

P56-344-400

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: 8481400000
NAICS: 332911
SITC: 74740
Description: Safety or relief valves
End Use (Code 21180):
Industrial machines, other

Q & A

Frequently asked questions for NSN 4820-00-145-5147

What are the manufacturers of nsn 4820001455147?

Circor Aerospace, Inc. (91816)

Does this nsn 4820001455147 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820001455147
A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. thermostatically operated valves close when the pressure is relieved or the temperature is reduced. fusible plug valves require replacement of the plug. see also valve, safety relief and valve, regulating. temperature.

Does nsn 4820001455147 contain any precious metals?
No precious metal content.

Does nsn 4820001455147 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820001455147?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

16996

FIIG:

A07100

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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