Safety Relief Valve NSN 4820-00-920-3623

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: 4820-00-920-3623

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Features and Characteristics

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

450.0 degrees fahrenheit single response

Connection Style

G50 external seat for gasket seal (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external boss 1st end

Features Provided

Bonnet packing

Adjustable Pressure Range

+5.0/+10.0 pounds per square inch

Maximum Operating Pressure

50.0 pounds per square inch single response

Thread Size

0.562 inches 1st end

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Stainless steel seat

Material Specification

Mil-r-25897, type2, class 1 military specification 2nd material response flow control device

Media For Which Designed

Oil, lubricating, diester base 3rd response

Style Designator

Err-090

Thread Series Designator

Unf 1st end

FSC

4820 Nonpowered Valves

NIIN

009203623

NSN

4820009203623

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1916000

Cage Code:

G1005

Status:

MSDS:

Part Number:

9177324-2

Cage Code:

18876

Status:

MSDS:

Part Number:

RV05-34

Cage Code:

91816

Status:

MSDS:

Part Number:

530TP6D8

Cage Code:

91819

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 4820-00-920-3623

What are the manufacturers of nsn 4820009203623?

Does this nsn 4820009203623 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009203623
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 4820009203623 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820009203623 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009203623?
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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