Safety Relief Valve NSN 4820-00-287-4675

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: 4820-00-287-4675

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Features and Characteristics

Thread Class

3b 1st end

Thread Direction

Right-hand 1st end

Bonnet Type

Inside screw

Bonnet Attachment Method

Integral

Disk Loading Method

Spring

Connection Style

Gasket sea (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 1st end

Mounting Facility

Threaded fastener

Features Provided

Bonnet packing

Thready Qty Per Inch (tpi)

18 1st end

Adjustable Pressure Range

+2300.0/+3850.0 pounds per square inch

Maximum Operating Pressure

3850.0 pounds per square inch single response

Thread Size

0.562 inches 1st end

Opening Pressure Setting

3400.0 pounds per square inch

Media For Which Designed

Hydraulic fluid, petroleum base single response

Surface Treatment

Anodize

Style Designator

Angle w/offset

Thread Series Designator

Unf 1st end

FSC

4820 Nonpowered Valves

NIIN

002874675

NSN

4820002874675

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2365274

Cage Code:

18355

Status:

MSDS:

Part Number:

AA31306H

Cage Code:

62983

Status:

MSDS:

Part Number:

21106

Cage Code:

81982

Status:

MSDS:

Part Number:

1030

Cage Code:

94874

Status:

MSDS:

Part Number:

AN6279-6CD

Cage Code:

88044

Status:

MSDS:

Part Number:

HPLVA0

Cage Code:

00021

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 4820-00-287-4675

What are the manufacturers of nsn 4820002874675?

Does this nsn 4820002874675 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002874675
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 4820002874675 contain any precious metals?
No precious metal content.

Does nsn 4820002874675 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002874675?
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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