Safety Relief Valve NSN 4820-00-971-4484

Item Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

NSN: 4820-00-971-4484

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Features and Characteristics

Pipe Size Accommodated

0.500 inches 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Connection Style

G9 plain, optional en (pipe) 1st end

Connection Type

Threaded internal pipe 1st end

Thready Qty Per Inch (tpi)

14 2nd end

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.500 inches 2nd end

Opening Pressure Setting

25.0 pounds per square inch

Media For Which Designed

Water, fresh single response

Style Designator

Err-090

Test Data Document

97403-13212e1362 drawing (this is the basic governing drawing, such as a contractor drawing, original equipment manufacturer drawing, etc.; excludes any specification, standard or other document that may be referenced in a basic governing drawing)

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

009714484

NSN

4820009714484

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

13212E1362

Cage Code:

97403

Status:

MSDS:

Part Number:

P1454

Cage Code:

0BXF1

Status:

MSDS:

Part Number:

7420-25PSI

Cage Code:

71342

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 4820-00-971-4484

What are the manufacturers of nsn 4820009714484?

Does this nsn 4820009714484 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009714484
A valve designed to automatically release excessive pressures. it is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. it is not designed for regulation of continuously fluctuating loads. it may be inline or cartridge (manifold) design. excludes valve (1), relief, pressure and temperature.

Does nsn 4820009714484 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820009714484 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009714484?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
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