Safety Relief Valve NSN 4820-01-342-0571

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: 4820-01-342-0571

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Features and Characteristics

Pipe Size Accommodated

2.000 inches all ends

Flow Control Device

Disk

Disk Loading Method

Spring

Maximum Operating Temp

150.0 degrees fahrenheit single response

End Application

Nimitz class cvn

Connection Style

Socket with brazing ring err-100

Valve Operation Method

Automatic

Connection Type

Unthreaded internal pipe all ends

Features Provided

Pressure tight outlet side

Adjustable Pressure Range

+91.0/+105.0 pounds per square inch

Maximum Operating Pressure

400.0 pounds per square inch single response

Material

Nickel alloy flow control device

Material Specification

Qq-n-288 federal specification single material response seat

Style Designator

Err-090

Specification Data

81349-mil-v-24332 government specification

Nondefinitive Specification/std Data

B grade

FSC

4820 Nonpowered Valves

NIIN

013420571

NSN

4820013420571

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MIL-V-24332

Cage Code:

81349

Status:

MSDS:

Part Number:

20347D01E0091

Cage Code:

15187

Status:

MSDS:

Part Number:

20347

Cage Code:

01343

Status:

MSDS:

Part Number:

20347MS41M

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 4820-01-342-0571

What are the manufacturers of nsn 4820013420571?

Does this nsn 4820013420571 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820013420571
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 4820013420571 contain any precious metals?
No precious metal content.

Does nsn 4820013420571 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820013420571?
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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