Safety Relief Valve NSN 4820-01-345-8613

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: 4820-01-345-8613

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Features and Characteristics

Pipe Size Accommodated

0.375 inches 2nd end

Thread Class

3a 2nd end

Thread Direction

Right-hand 1st endright-hand 2nd end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

-40.0 degrees fahrenheit 1st response225.0 degrees fahrenheit 2nd response

Connection Style

G46b plain (pipe) 1st endg42 flared (tube) 2nd end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st endthreaded external tube 2nd end

Thread Size

0.375 inches 1st end0.375 inches 2nd end

Seat Angle

45.0 degrees all ends

Opening Pressure Setting

235.0 pounds per square inch

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Copper alloy bodyrubber chloroprene class cr flow control devicecopper alloy seat

Media For Which Designed

Refrigerant 12 1st responserefrigerant 22 2nd responserefrigerant 500 3rd responserefrigerant 502 4th response

Style Designator

Err-090

Thread Series Designator

Npt 1st endunf 2nd end

FSC

4820 Nonpowered Valves

NIIN

013458613

NSN

4820013458613

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

526-235PSI

Cage Code:

28193

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 4820-01-345-8613

What are the manufacturers of nsn 4820013458613?

Henry Technologies Inc. (28193)

Does this nsn 4820013458613 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013458613
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 4820013458613 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820013458613 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013458613?
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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