Safety Relief Valve NSN 4820-01-344-8999

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: 4820-01-344-8999

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Features and Characteristics

Pipe Size Accommodated

1.000 inches all ends

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Maximum Operating Temp

150.0 degrees fahrenheit 1st response425.0 degrees fahrenheit 2nd response

Connection Style

Socket err-100

Valve Operation Method

Manual

Connection Type

Unthreaded internal pipe all ends

Adjustable Pressure Range

+110.0/+160.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch 1st response200.0 pounds per square inch 2nd response

Special Features

Incl adjusting ring

Material

Copper alloy bodynickel alloy flow control devicenickel alloy seatsteel comp 316 stem

Material Specification

Astm-b61 assn standard single material response bodyastm-b164 assn standard single material response flow control deviceastm-b164 assn standard single material response seat

Media For Which Designed

Air 1st responsesteam 2nd response

Style Designator

Err-090

Furnished Items And Quantity

1 lever

FSC

4820 Nonpowered Valves

NIIN

013448999

NSN

4820013448999

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-V-22549

Cage Code:

81349

Status:

MSDS:

Part Number:

D1000 ASSY D52UU-07 1IN

Cage Code:

5P967

Status:

MSDS:

Part Number:

D52UU-07 1IN

Cage Code:

5P967

Status:

MSDS:

Part Number:

D1000

Cage Code:

65079

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 4820-01-344-8999

What are the manufacturers of nsn 4820013448999?

Does this nsn 4820013448999 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013448999
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 4820013448999 contain any precious metals?
No precious metal content.

Does nsn 4820013448999 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013448999?
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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