Safety Relief Valve NSN 4820-01-179-2452

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: 4820-01-179-2452

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Union

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

1.000 inches

Adjustable Pressure Range

+19.0/+27.0 pounds per square inch

Outside Diameter

4.250 inches all ends

Thickness

0.375 inches all ends

First Connection Face To Centerline Distance

3.562 inches

Bolt Hole Diameter

0.625 inches all ends

Second Connection Face To Centerline Distance

3.125 inches

Bolt Circle Diameter

3.125 inches all ends

Flange Face Design

Plain all ends

Material

Steel comp 316 stem

Media For Which Designed

Water-oil-gas single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

011792452

NSN

4820011792452

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NMP1109 0PTI0N

Cage Code:

75954

Status:

MSDS:

Part Number:

BASGG03SEE

Cage Code:

5P967

Status:

MSDS:

Part Number:

DL0-10E/B119T27

Cage Code:

15187

Status:

MSDS:

Part Number:

NMP1109 OPTION B

Cage Code:

15187

Status:

MSDS:

Part Number:

DL0-10E/B119T27 PSI

Cage Code:

75954

Status:

MSDS:

Part Number:

NMP1109 OPTION B 19T27PSI

Cage Code:

75954

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 4820-01-179-2452

What are the manufacturers of nsn 4820011792452?

Does this nsn 4820011792452 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011792452
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 4820011792452 contain any precious metals?
No precious metal content.

Does nsn 4820011792452 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011792452?
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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