Safety Relief Valve NSN 4820-00-727-8028

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: 4820-00-727-8028

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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

Bonnet Type

Inside screw

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Maximum Operating Temp

180.0 degrees fahrenheit single response

Connection Style

Plain, optional en (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Features Provided

Pressure tight outlet side

Thready Qty Per Inch (tpi)

18 2nd end

Maximum Operating Pressure

50.0 pounds per square inch single response

Thread Size

0.250 inches 2nd end

Opening Pressure Setting

25.0 pounds per square inch

Material

Steel comp 303 and rubber butadiene-acrylonitrile class nbr flow control device

Material Specification

Fed standard 66 federal standard 1st material response flow control device

Media For Which Designed

Gas, natural 2nd response

Style Designator

Err-090

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

007278028

NSN

4820007278028

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

1390424

Cage Code:

10001

Status:

MSDS:

Part Number:

684-2-1-1/4B25

Cage Code:

86768

Status:

MSDS:

Part Number:

684-2-1/4B2

Cage Code:

86768

Status:

MSDS:

Part Number:

684-2-1/4B25

Cage Code:

86768

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 4820-00-727-8028

What are the manufacturers of nsn 4820007278028?

Navair And Navsea Managed (10001)
Teledyne Industries Inc (86768)

Does this nsn 4820007278028 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007278028
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 4820007278028 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820007278028 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007278028?
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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