Safety Relief Valve NSN 4820-00-482-5681

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: 4820-00-482-5681

Provided with every order

Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

Get a Quote

Get an up to date price on nsn 4820004825681

Related NSN

Features and Characteristics

Pipe Size Accommodated

4.000 inches 2nd end

Thread Direction

Right-hand 2nd end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Valve Discharge Flow Rate

14235.0 cubic feet per minute

Renewable Seat Ring Type

Threaded

Bolt Hole Quantity

8 1st end

Maximum Operating Temp

406.0 degrees fahrenheit 2nd response

Connection Style

Plain, optional en (pipe) 2nd end

Valve Operation Method

Automatic

Flange Shape

Round with holes 1st end

Connection Type

Threaded internal pipe 2nd end

Features Provided

Valve stem lock shield and bonnet packing and pressure tight outlet side

Thready Qty Per Inch (tpi)

8 2nd end

Maximum Operating Pressure

250.0 pounds per square inch 1st response

Thread Size

4.000 inches 2nd end

Outside Diameter

8.250 inches 1st end

Thickness

1.250 inches 1st end

Bolt Hole Diameter

0.750 inches 1st end

Bolt Circle Diameter

6.625 inches 1st end

Flange Face Design

Raised straight 1st end

Raised Face Height

0.063 inches 1st end

Raised Face Diameter

5.687 inches 1st end

Material

Steel stem

Media For Which Designed

Air 1st response

Style Designator

Angle

Thread Series Designator

Npt 2nd end

FSC

4820 Nonpowered Valves

NIIN

004825681

NSN

4820004825681

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

41W206

Cage Code:

75954

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 4820-00-482-5681

What are the manufacturers of nsn 4820004825681?

Kunkle Industries Inc (75954)

Does this nsn 4820004825681 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004825681
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 4820004825681 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820004825681 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004825681?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service