Safety Relief Valve NSN 4820-00-950-5975

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: 4820-00-950-5975

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Features and Characteristics

Pipe Size Accommodated

3.000 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Bolt Hole Quantity

4 2nd end

Connection Style

G9 plain, optional en (pipe) 1st end

Valve Operation Method

Automatic or manual

Flange Shape

Round with holes 2nd end

Connection Type

Threaded internal pipe 1st end

Features Provided

Valve stem lock shield and pressure tight outlet side

Valve Size

2.000 inches

Thread Size

3.000 inches 1st end

Opening Pressure Setting

12.0 pounds per square inch

Outside Diameter

6.000 inches 2nd end

Thickness

0.500 inches 2nd end

First Connection Face To Centerline Distance

4.500 inches

Bolt Hole Diameter

0.750 inches 2nd end

Second Connection Face To Centerline Distance

2.875 inches

Bolt Circle Diameter

4.750 inches 2nd end

Flange Face Design

Plain 2nd end

Material

Steel stem

Style Designator

Err-090

Thread Series Designator

Npt 1st end

Reference Number Differentiating Characteristics

As differentiated by relief pressure rating, and size and type of end connections

FSC

4820 Nonpowered Valves

NIIN

009505975

NSN

4820009505975

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

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 4820-00-950-5975

What are the manufacturers of nsn 4820009505975?

Anderson Greenwood Lp (01343)

Does this nsn 4820009505975 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820009505975
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 4820009505975 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820009505975 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820009505975?
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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