Safety Relief Valve NSN 4820-01-141-7795

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: 4820-01-141-7795

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Maximum Operating Temp

165.0 degrees fahrenheit single response

End Application

Seawolf class ssn

Connection Style

Streamlined with one brazing ring (tube) err-100

Valve Operation Method

Automatic

Connection Type

Unthreaded internal tube all ends

Adjustable Pressure Range

+58.0/+70.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Outside Diameter Tube Accommodated

0.750 inches 1st end

Material

Steel comp 304 seat

Material Specification

Qq-c-390, alloy d4/d/ federal specification single material response body

Media For Which Designed

Gas, inert 2nd response

Style Designator

Err-090

Furnished Items And Quantity

2 brazing ring and 2 gasket

FSC

4820 Nonpowered Valves

NIIN

011417795

NSN

4820011417795

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

20234-4-941SS

Cage Code:

15187

Status:

MSDS:

Part Number:

D44UU-02 1/2 X 3/4 IN

Cage Code:

65079

Status:

MSDS:

Part Number:

D44UU-02H-1/2-3/4

Cage Code:

65079

Status:

MSDS:

Part Number:

20234

Cage Code:

01343

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 4820-01-141-7795

What are the manufacturers of nsn 4820011417795?

Does this nsn 4820011417795 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820011417795
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 4820011417795 contain any precious metals?
No precious metal content.

Does nsn 4820011417795 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820011417795?
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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