Safety Relief Valve NSN 4820-01-356-8633

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: 4820-01-356-8633

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Features and Characteristics

Thread Direction

Right-hand all ends

Flow Control Device

Disk

Bonnet Type

Inside screw

Bonnet Attachment Method

Threaded

Maximum Operating Temp

406.0 degrees fahrenheit single response

Connection Style

G46b plain (pipe) 1st endg9 plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic or manual

Connection Type

Threaded external pipe 1st endthreaded internal pipe 2nd end

Maximum Operating Pressure

300.0 pounds per square inch 1st response250.0 pounds per square inch 2nd response

Thread Size

1.250 inches 1st end1.500 inches 2nd end

Opening Pressure Setting

6.0 pounds per square inch

Material

Bronze bodycopper alloy flow control device

Media For Which Designed

Air 1st responsegas, inert 2nd responsesteam 3rd response

Style Designator

Err-090

Thread Series Designator

Npt all ends

FSC

4820 Nonpowered Valves

NIIN

013568633

NSN

4820013568633

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1543G-21-BR

Cage Code:

38056

Status:

MSDS:

Part Number:

315096

Cage Code:

38056

Status:

MSDS:

Part Number:

1543G-XMY1 1 1/4 SET 6PSI

Cage Code:

38056

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 4820-01-356-8633

What are the manufacturers of nsn 4820013568633?

Ashcroft Inc. (38056)

Does this nsn 4820013568633 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013568633
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 4820013568633 contain any precious metals?
No precious metal content.

Does nsn 4820013568633 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013568633?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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