Safety Relief Valve NSN 4820-01-091-1305

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: 4820-01-091-1305

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Features and Characteristics

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

300.0 degrees fahrenheit single response

Connection Style

G9 plain, optional en (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Features Provided

Pressure tight outlet side

Maximum Operating Pressure

200.0 pounds per square inch single response

Thread Size

0.250 inches 2nd end

Opening Pressure Setting

5.0 pounds per square inch

Special Features

1.625 in. O/a length, 0.750 diameter hex body

Material

Steel comp 303

Material Specification

Qq-s-763, class 303 federal specification single material response

Media For Which Designed

Hydrazine single response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Err-090

Thread Series Designator

Npt 1st end

FSC

4820 Nonpowered Valves

NIIN

010911305

NSN

4820010911305

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

562TIP-2MP-5

Cage Code:

91816

Status:

MSDS:

Part Number:

C9470-1

Cage Code:

81755

Status:

MSDS:

Part Number:

C9470

Cage Code:

81755

Status:

MSDS:

Part Number:

562TP-2MP-5

Cage Code:

91816

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 4820-01-091-1305

What are the manufacturers of nsn 4820010911305?

Circor Aerospace, Inc. (91816)
Lockheed Martin Corporation (81755)

Does this nsn 4820010911305 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820010911305
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 4820010911305 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820010911305 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820010911305?
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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