Safety Relief Valve NSN 4820-01-439-5411

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: 4820-01-439-5411

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Valve Discharge Flow Rate

347.0 gallons per minute

Bolt Hole Quantity

4 all ends

End Application

Strategic sealift conversion ships class

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

1.000 inches

Maximum Operating Pressure

225.0 pounds per square inch single response

Opening Pressure Setting

60.0 pounds per square inch

Outside Diameter

5.875 inches 1st end

Thickness

1.125 inches 1st end

First Connection Face To Centerline Distance

4.000 inches

Bolt Hole Diameter

1.000 inches 1st end

Second Connection Face To Centerline Distance

4.250 inches

Bolt Circle Diameter

4.000 inches 1st end

Flange Face Design

Raised straight all ends

Raised Face Height

0.250 inches all ends

Raised Face Diameter

2.000 inches 1st end

Material

Stainless steel seat

Media For Which Designed

Air single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

014395411

NSN

4820014395411

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

85500000-DS-G-74893 SH1D

Cage Code:

15187

Status:

MSDS:

Part Number:

85500000

Cage Code:

15187

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 4820-01-439-5411

What are the manufacturers of nsn 4820014395411?

Pentair Valves & Controls Us Lp (15187)

Does this nsn 4820014395411 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014395411
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 4820014395411 contain any precious metals?
No precious metal content.

Does nsn 4820014395411 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014395411?
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
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