Safety Relief Valve NSN 4820-01-434-6660

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: 4820-01-434-6660

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Features and Characteristics

Flow Control Device

Disk

Disk Loading Method

Spring

Valve Discharge Flow Rate

18.0 gallons per minute

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

500.0 degrees fahrenheit single response

End Application

Supply class aoe

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

1.000 inches

Adjustable Pressure Range

+56.0/+77.0 pounds per square inch

Maximum Operating Pressure

1500.0 pounds per square inch single response

Outside Diameter

0.500 inches 2nd end

Thickness

0.562 inches 1st end

First Connection Face To Centerline Distance

4.000 inches

Bolt Hole Diameter

0.625 inches all ends

Second Connection Face To Centerline Distance

4.250 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

2.000 inches 1st end

Special Features

Incl packing lifting lever

Material

Steel comp 316 flow control device

Media For Which Designed

Fuel/oil, hydrocarbon single response

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

014346660

NSN

4820014346660

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

77321003

Cage Code:

15187

Status:

MSDS:

Part Number:

9512101D0050 0100 56T77PSI

Cage Code:

15187

Status:

MSDS:

Part Number:

DS-G-74893 ASSY 77321003

Cage Code:

15187

Status:

MSDS:

Part Number:

DS-G-74893

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 4820-01-434-6660

What are the manufacturers of nsn 4820014346660?

Pentair Valves & Controls Us Lp (15187)

Does this nsn 4820014346660 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014346660
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 4820014346660 contain any precious metals?
No precious metal content.

Does nsn 4820014346660 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014346660?
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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