Safety Relief Valve NSN 4820-00-248-6398

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: 4820-00-248-6398

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Outside screw-yoke

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Valve Discharge Flow Rate

16300.0 pounds per hour

Renewable Seat Ring Type

Threaded

Bolt Hole Quantity

4 2nd end

Valve Operation Method

Automatic

Flange Shape

Round with holes 2nd end

Connection Type

Flange 1st end

Features Provided

Pressure tight outlet side

Valve Size

1.500 inches

Maximum Operating Pressure

600.0 pounds per square inch single response

Opening Pressure Setting

473.0 pounds per square inch

Outside Diameter

7.500 inches 2nd end

Thickness

1.500 inches 1st end

First Connection Face To Centerline Distance

5.750 inches

Bolt Hole Diameter

0.875 inches 1st end

Second Connection Face To Centerline Distance

7.000 inches

Bolt Circle Diameter

6.000 inches 2nd end

Flange Face Design

Raised straight 2nd end

Raised Face Height

0.250 inches 1st end

Raised Face Diameter

5.000 inches 2nd end

Material

Stainless steel stem

Media For Which Designed

Steam single response

Style Designator

Angle flanged ends

Reference Number Differentiating Characteristics

As differentiated by adjustable pressure range

FSC

4820 Nonpowered Valves

NIIN

002486398

NSN

4820002486398

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

CP1433

Cage Code:

16497

Status:

MSDS:

Part Number:

1555HC

Cage Code:

16497

Status:

MSDS:

Part Number:

213759

Cage Code:

16497

Status:

MSDS:

Part Number:

1-1-2-1555HCX2M

Cage Code:

16497

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 4820-00-248-6398

What are the manufacturers of nsn 4820002486398?

Dresser, Inc. (16497)

Does this nsn 4820002486398 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002486398
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 4820002486398 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002486398 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002486398?
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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