Safety Relief Valve NSN 4820-01-414-8041

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: 4820-01-414-8041

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Related NSN

Features and Characteristics

Flow Control Device

Disk

Disk Loading Method

Spring

Bolt Hole Quantity

4 all ends

Maximum Operating Temp

200.0 degrees fahrenheit single response

End Application

Seawolf class ssn

Valve Operation Method

Automatic

Flange Shape

Round with holes all ends

Connection Type

Flange all ends

Valve Size

0.500 inches

Maximum Operating Pressure

235.0 pounds per square inch single response

Opening Pressure Setting

38.0 pounds per square inch

Outside Diameter

3.500 inches all ends

Thickness

0.438 inches all ends

First Connection Face To Centerline Distance

3.250 inches

Bolt Hole Diameter

0.625 inches all ends

Second Connection Face To Centerline Distance

3.250 inches

Bolt Circle Diameter

2.375 inches all ends

Flange Face Design

Raised straight all ends

Raised Face Height

0.062 inches all ends

Raised Face Diameter

1.188 inches all ends

Material

Steel uns j92800 body

Style Designator

Err-090

FSC

4820 Nonpowered Valves

NIIN

014148041

NSN

4820014148041

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

SW145-01-E-0038

Cage Code:

15187

Status:

MSDS:

Part Number:

2771T 1/2IN 38PS

Cage Code:

15187

Status:

MSDS:

Part Number:

SW145 38PSI

Cage Code:

15187

Status:

MSDS:

Part Number:

211066617

Cage Code:

53711

Status:

MSDS:

Part Number:

2771T 1/2IN 38PSI

Cage Code:

01343

Status:

MSDS:

Part Number:

SW145

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 4820-01-414-8041

What are the manufacturers of nsn 4820014148041?

Does this nsn 4820014148041 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014148041
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 4820014148041 contain any precious metals?
No precious metal content.

Does nsn 4820014148041 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014148041?
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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