Safety Relief Valve NSN 4820-01-468-7998

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: 4820-01-468-7998

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Features and Characteristics

Thread Class

2a 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Bonnet Type

Inside spring

Bonnet Attachment Method

Threaded

Disk Loading Method

Spring

Maximum Operating Temp

225.0 degrees fahrenheit single response

Minimum Operating Temp

-20.0 degrees fahrenheit

End Application

Whidbey island class lsd

Connection Style

G46b plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 2nd end

Thready Qty Per Inch (tpi)

12 2nd end

Maximum Operating Pressure

6000.0 pounds per square inch single response

Thread Size

2.3125 inches 1st end

Opening Pressure Setting

80.0 pounds per square inch

Special Features

Orifice size 0.313 inch

Material

Stainless steel seat

Media For Which Designed

Air single response

Style Designator

Err-090

Thread Series Designator

Un 2nd end

FSC

4820 Nonpowered Valves

NIIN

014687998

NSN

4820014687998

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

158 PL-5056 80P

Cage Code:

99565

Status:

MSDS:

Part Number:

158 PL-5056 .313 SET 80 PSI

Cage Code:

99565

Status:

MSDS:

Part Number:

A-10851 AND PL-5056 80PSI SET

Cage Code:

99565

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 4820-01-468-7998

What are the manufacturers of nsn 4820014687998?

Admiral Valve, Llc (99565)

Does this nsn 4820014687998 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820014687998
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 4820014687998 contain any precious metals?
No precious metal content.

Does nsn 4820014687998 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820014687998?
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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