Model: 4622

Safety Relief Valve

Properties:

Flow Control Device

Poppet

Valve Discharge Flow Rate

0.5 gallons per minute

Maximum Operating Temp

180.0 degrees fahrenheit single response

Minimum Operating Temp

-65.0 degrees fahrenheit

End Application

Challenger aircraft, model a

Valve Operation Method

Hydraulic

Maximum Operating Pressure

3000.0 pounds per square inch single response

Material

Aluminum alloy body

Media For Which Designed

Hydraulic fluid, phosphate-ester base single response

NSN

4820-01-459-2612

Part Number

4622

Description

Valve,safety Relief

CAGE

06177

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.

Part 4622 NSN 4820-01-459-2612

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05488

FIIG:

A046B0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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Schedule B and Export

Schedule B: 8481400000
SITC: 74740
End Use: Industrial machines, other
NAICS: 332911
USDA: 1

Freight Class: Safety or relief valves