Safety Relief Valve NSN 4820-00-142-1014

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: 4820-00-142-1014

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Features and Characteristics

Pipe Size Accommodated

0.500 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Exposed spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Renewable Seat Ring Type

Threaded

Bolt Hole Quantity

4 2nd end

Connection Style

Plain, optional en (pipe) 1st end

Valve Operation Method

Automatic

Flange Shape

Round with holes 2nd end

Connection Type

Threaded internal pipe 1st end

Features Provided

Bonnet packing

Adjustable Pressure Range

+31.0/+50.0 pounds per square inch

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

0.500 inches 1st end

Outside Diameter

3.875 inches 2nd end

Thickness

0.438 inches 2nd end

Bolt Hole Diameter

0.500 inches 2nd end

Bolt Circle Diameter

2.750 inches 2nd end

Flange Face Design

Raised straight 2nd end

Raised Face Height

0.062 inches 2nd end

Raised Face Diameter

1.688 inches 2nd end

Material

Steel body

Media For Which Designed

Water, fresh single response

Style Designator

Angle

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

001421014

NSN

4820001421014

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2250

Cage Code:

01343

Status:

MSDS:

Part Number:

A6814A

Cage Code:

01343

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 4820-00-142-1014

What are the manufacturers of nsn 4820001421014?

Anderson Greenwood Lp (01343)

Does this nsn 4820001421014 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820001421014
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 4820001421014 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820001421014 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820001421014?
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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