Safety Relief Valve NSN 4820-01-259-2211

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: 4820-01-259-2211

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

4 2nd end

Maximum Operating Temp

75.0 degrees fahrenheit 1st response

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

3.000 inches

Adjustable Pressure Range

+57.0/+62.0 pounds per square inch

Maximum Operating Pressure

150.0 pounds per square inch single response

Opening Pressure Setting

58.0 pounds per square inch

Outside Diameter

5.000 inches 1st end

Thickness

0.750 inches 2nd end

First Connection Face To Centerline Distance

4.875 inches

Bolt Hole Diameter

0.750 inches 2nd end

Second Connection Face To Centerline Distance

5.125 inches

Bolt Circle Diameter

6.000 inches 2nd end

Flange Face Design

Raised straight all ends

Raised Face Height

0.922 inches 2nd end

Raised Face Diameter

5.000 inches 2nd end

Special Features

1 pipe plug (body) 1/2inch npt

Material

Stainless steel flow control device

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

012592211

NSN

4820012592211

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

16977-F PART 26HB10-120 57T62

Cage Code:

72352

Status:

MSDS:

Part Number:

16977-F

Cage Code:

72352

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 4820-01-259-2211

What are the manufacturers of nsn 4820012592211?

Curtiss-wright Flow Control (72352)

Does this nsn 4820012592211 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820012592211
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 4820012592211 contain any precious metals?
No precious metal content.

Does nsn 4820012592211 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820012592211?
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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