Safety Relief Valve NSN 4820-00-775-9001

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: 4820-00-775-9001

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Features and Characteristics

Thread Class

3a 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Poppet

Disk Loading Method

Spring

Valve Discharge Flow Rate

0.1 cubic meters per minute

Renewable Seat Ring Type

Pressed-in

Maximum Operating Temp

165.0 degrees fahrenheit single response

Connection Style

Flared (tube) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external tube 1st end

Features Provided

Valve stem lock shield and pressure tight outlet side

Thready Qty Per Inch (tpi)

24 2nd end

Adjustable Pressure Range

+170.0 to 180.0 pounds per square inch

Maximum Operating Pressure

175.0 pounds per square inch single response

Thread Size

0.625 inches 2nd end

Seat Angle

37.0 degrees 1st end

Opening Pressure Setting

170.0 pounds per square inch

Outside Diameter Tube Accommodated

0.375 inches 2nd end

Material

Rubber synthetic seat

Material Specification

Qq-a-225/6, t4 federal specification single material response body

Media For Which Designed

Oil, hydraulic single response

Surface Treatment

Anodize

Style Designator

Err-090

Thread Series Designator

Unf 1st end

FSC

4820 Nonpowered Valves

NIIN

007759001

NSN

4820007759001

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

2R2200

Cage Code:

99240

Status:

MSDS:

Part Number:

9019642

Cage Code:

18876

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 4820-00-775-9001

What are the manufacturers of nsn 4820007759001?

Crissair, Inc. (99240)
U S Army Aviation And Missile (18876)

Does this nsn 4820007759001 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 4820007759001
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 4820007759001 contain any precious metals?
Precious metal content is unknown.

Does nsn 4820007759001 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 4820007759001?
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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