Safety Relief Valve NSN 4820-00-203-0068

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: 4820-00-203-0068

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Features and Characteristics

Pipe Size Accommodated

1.000 inches 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Maximum Operating Temp

366.0 degrees fahrenheit single response

Connection Style

Plain, optional en (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Features Provided

Bonnet packing and pressure tight outlet side

Adjustable Pressure Range

+5.0/+25.0 pounds per square inch

Maximum Operating Pressure

150.0 pounds per square inch single response

Thread Size

1.000 inches 2nd end

Material

Steel stem

Media For Which Designed

Steam single response

Style Designator

Angle

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

002030068

NSN

4820002030068

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

381-45-8PCV25

Cage Code:

80064

Status:

MSDS:

Part Number:

381-4501-12235PCV6

Cage Code:

80064

Status:

MSDS:

Part Number:

385-4500-1194345PCV5

Cage Code:

80064

Status:

MSDS:

Part Number:

385-4500-1194347PCV16

Cage Code:

80064

Status:

MSDS:

Part Number:

385-4500-1225027PCV20

Cage Code:

80064

Status:

MSDS:

Part Number:

405-4500-68751PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

405-4500-68751PCV5

Cage Code:

80064

Status:

MSDS:

Part Number:

405-4503-69182PCVF0

Cage Code:

80064

Status:

MSDS:

Part Number:

410-4500-1225028PCV20

Cage Code:

80064

Status:

MSDS:

Part Number:

416-4501-162028PCV25

Cage Code:

80064

Status:

MSDS:

Part Number:

416-4501-162029PCV20

Cage Code:

80064

Status:

MSDS:

Part Number:

417-4500-68750PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

417-4500-68750PCV12

Cage Code:

80064

Status:

MSDS:

Part Number:

418-4500-1194342PCV10

Cage Code:

80064

Status:

MSDS:

Part Number:

418-4500-1194342PCV6

Cage Code:

80064

Status:

MSDS:

Part Number:

228-45-057PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

228-45-083PCV7

Cage Code:

80064

Status:

MSDS:

Part Number:

228-45-091PCV2

Cage Code:

80064

Status:

MSDS:

Part Number:

228-45-091PCV3

Cage Code:

80064

Status:

MSDS:

Part Number:

228-45-091PCV6

Cage Code:

80064

Status:

MSDS:

Part Number:

419-4501-724462PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

419-4501-724462PCV12

Cage Code:

80064

Status:

MSDS:

Part Number:

419-4501-724462PCV6

Cage Code:

80064

Status:

MSDS:

Part Number:

477-4501-722051PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

484-4501-722037PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

484-4501-722037PCV12

Cage Code:

80064

Status:

MSDS:

Part Number:

484-4501-722037PCV6

Cage Code:

80064

Status:

MSDS:

Part Number:

488-4501-720376PCV6

Cage Code:

80064

Status:

MSDS:

Part Number:

489-4501-722026PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

488-4501-720376PCV11

Cage Code:

80064

Status:

MSDS:

Part Number:

488-4501-720376PCV12

Cage Code:

80064

Status:

MSDS:

Part Number:

5053-419PCV12

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-419PCV6

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-484PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-484PCV12

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-484PCV6

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-488PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-488PCV12

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-488PCV6

Cage Code:

81316

Status:

MSDS:

Part Number:

5061-381PCV25

Cage Code:

81316

Status:

MSDS:

Part Number:

5069-405PCV20

Cage Code:

81316

Status:

MSDS:

Part Number:

5074-477PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5074-489PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-225PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-228PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-275PCV7

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-292PCV2

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-292PCV3

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-292PCV6

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-381PCV6

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-405PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-405PCV5

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-417PCV11

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-417PCV12

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-417PCV6

Cage Code:

81316

Status:

MSDS:

Part Number:

5053-419PCV11

Cage Code:

81316

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 4820-00-203-0068

What are the manufacturers of nsn 4820002030068?

Naval Ship Systems Command (80064)
Portsmouth Naval Shipyard (81316)

Does this nsn 4820002030068 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820002030068
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 4820002030068 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820002030068 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820002030068?
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
Quality Inspected Parts
Quality Fast Service