Safety Relief Valve NSN 4820-01-261-2463

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: 4820-01-261-2463

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

400.0 degrees fahrenheit single response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

0.750 inches

Adjustable Pressure Range

+10.0/+12.0 pounds per square inch

Maximum Operating Pressure

1440.0 pounds per square inch single response

Outside Diameter

3.875 inches 2nd end

Thickness

0.562 inches 1st end

First Connection Face To Centerline Distance

3.625 inches

Bolt Hole Diameter

0.625 inches all ends

Second Connection Face To Centerline Distance

3.562 inches

Bolt Circle Diameter

3.125 inches 1st end

Flange Face Design

Raised straight all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

1.688 inches 2nd end

Special Features

Inlet 0.750 in., outlet 1.000 in.

Material

Steel body

Media For Which Designed

Water-oil-gas single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

012612463

NSN

4820012612463

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

R10AE5F503-CM1-

Cage Code:

34889

Status:

MSDS:

Part Number:

D49671PARTR10AE5F503-CM1

Cage Code:

34889

Status:

MSDS:

Part Number:

D49671

Cage Code:

34889

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 4820-01-261-2463

What are the manufacturers of nsn 4820012612463?

Hunt Valve Company Inc (34889)

Does this nsn 4820012612463 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012612463
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 4820012612463 contain any precious metals?
No precious metal content.

Does nsn 4820012612463 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012612463?
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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Certificate of Conformance
Quality Inspected Parts
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