Safety Relief Valve NSN 4820-00-421-5935

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: 4820-00-421-5935

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Features and Characteristics

Thread Class

3b 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Valve Discharge Flow Rate

85.0 gallons per minute

Maximum Operating Temp

160.0 degrees fahrenheit single response

Connection Style

Gasket sea (boss) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal boss 1st end

Thready Qty Per Inch (tpi)

18 1st end

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

0.562 inches 1st end

Outside Diameter Tube Accommodated

0.375 inches 1st end

Material

Aluminum alloy

Media For Which Designed

Oil, hydraulic single response

Special Test Features

Vibration frequency range shall be 5 to 500 hz

Style Designator

Angle

Test Data Document

81349-mil-std-202d standard (includes industry or association standards, individual manufactureer standards, etc.).

Thread Series Designator

Unjf 1st end

FSC

4820 Nonpowered Valves

NIIN

004215935

NSN

4820004215935

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

252681

Cage Code:

82577

Status:

MSDS:

Part Number:

1241

Cage Code:

06177

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 4820-00-421-5935

What are the manufacturers of nsn 4820004215935?

Raytheon Company (82577)
Pneudraulics, Inc. (06177)

Does this nsn 4820004215935 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820004215935
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 4820004215935 contain any precious metals?
No precious metal content.

Does nsn 4820004215935 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820004215935?
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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