Safety Relief Valve NSN 4820-01-506-8909

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: 4820-01-506-8909

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Features and Characteristics

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Bolted

Disk Loading Method

Spring

Bolt Hole Quantity

6 2nd end

Maximum Operating Temp

150.0 degrees fahrenheit single response

Valve Operation Method

Automatic or manual

Flange Shape

Round with holes 2nd end

Connection Type

Flange 1st end

Valve Size

2.500 inches

Adjustable Pressure Range

+112.0/+128.0 pounds per square inch

Maximum Operating Pressure

500.0 pounds per square inch single response

Outside Diameter

6.125 inches 2nd end

Thickness

0.937 inches 2nd end

First Connection Face To Centerline Distance

5.500 inches

Bolt Hole Diameter

0.687 inches 2nd end

Second Connection Face To Centerline Distance

5.000 inches

Bolt Circle Diameter

5.000 inches 2nd end

Flange Face Design

Plain 2nd end

Material

Nickel alloy flow control device

Material Specification

Qq-n-288 comp a federal specification single material response seat

Style Designator

Err-090

Specification Data

81349 - mil-v-24332 government specification

FSC

4820 Nonpowered Valves

NIIN

015068909

NSN

4820015068909

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

11-NS-0866

Cage Code:

96169

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 4820-01-506-8909

What are the manufacturers of nsn 4820015068909?

Electric Boat Corporation (96169)

Does this nsn 4820015068909 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820015068909
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 4820015068909 contain any precious metals?
No precious metal content.

Does nsn 4820015068909 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820015068909?
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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On Time Delivery
Certificate of Conformance
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