Safety Relief Valve NSN 4820-00-289-1518

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: 4820-00-289-1518

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Exposed spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

650.0 degrees fahrenheit single response

Valve Operation Method

Automatic or manual

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Features Provided

Valve stem lock shield

Valve Size

0.750 inches

Adjustable Pressure Range

+276.0/+450.0 pounds per square inch

Maximum Operating Pressure

600.0 pounds per square inch single response

Outside Diameter

4.625 inches 1st end

Thickness

0.625 inches 1st end

First Connection Face To Centerline Distance

3.000 inches

Bolt Hole Diameter

0.688 inches 1st end

Second Connection Face To Centerline Distance

3.000 inches

Bolt Circle Diameter

3.250 inches 1st end

Flange Face Design

Plain 2nd end

Raised Face Height

0.250 inches 1st end

Raised Face Diameter

2.500 inches 1st end

Material

Steel body

Material Specification

Mil-s-872 military specification single material response body

Media For Which Designed

Steam single response

Style Designator

Angle flanged ends

FSC

4820 Nonpowered Valves

NIIN

002891518

NSN

4820002891518

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

692-4824-11ITEM14

Cage Code:

01343

Status:

MSDS:

Part Number:

DD692S4824-11ITEM14

Cage Code:

53711

Status:

MSDS:

Part Number:

FF2250 3-4 285

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 4820-00-289-1518

What are the manufacturers of nsn 4820002891518?

Does this nsn 4820002891518 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002891518
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 4820002891518 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002891518 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002891518?
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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