Safety Relief Valve NSN 4820-00-614-3369

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: 4820-00-614-3369

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Features and Characteristics

Pipe Size Accommodated

0.250 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

-40.0 degrees fahrenheit 1st response250.0 degrees fahrenheit 2nd response

Connection Style

Plain (pipe) 1st endplain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st endthreaded internal pipe 2nd end

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

18 1st end

Adjustable Pressure Range

+50.0/+850.0 pounds per square inch

Maximum Operating Pressure

2500.0 pounds per square inch single response

Thread Size

0.250 inches 2nd end

Opening Pressure Setting

200.0 pounds per square inch

Material

Copper alloy

Media For Which Designed

Hydrogen 4th response

Style Designator

Straight through note: to be used for valve bodies of separable sections.

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

006143369

NSN

4820006143369

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

5159B2M200

Cage Code:

91816

Status:

MSDS:

Part Number:

9033521

Cage Code:

18876

Status:

MSDS:

Part Number:

5159B-2MP-200

Cage Code:

91816

Status:

MSDS:

Part Number:

67B57638

Cage Code:

22883

Status:

MSDS:

Part Number:

5159B-2MP(L)-166

Cage Code:

FAH01

Status:

MSDS:

Part Number:

5159B-2MP(L)-H

Cage Code:

FAH01

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 4820-00-614-3369

What are the manufacturers of nsn 4820006143369?

Does this nsn 4820006143369 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820006143369
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 4820006143369 contain any precious metals?
No precious metal content.

Does nsn 4820006143369 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820006143369?
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
Quality Inspected Parts
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