NSN 4820-01-350-3686

Safety Relief Valve

FSC: 4820 NIIN: 013503686

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Product Characteristics

NSN:

4820013503686

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

0.7 gallons per minute

Maximum Operating Temp:

180.0 degrees fahrenheit single response

Connection Style:

G50 external seat for gasket seal (boss) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external boss all ends

Thready Qty Per Inch (tpi):

20 all ends

Thread Size:

0.438 inches all ends

Opening Pressure Setting:

30.0 pounds per square inch

Material:

Aluminum alloy body

Surface Treatment:

Anodize

Style Designator:

Err-090

Thread Series Designator:

Unj all ends

Part Numbers

334220
HOWDEN FLUID SYSTEMS
334220P01
MEGGITT (NORTH HOLLYWOOD), INC.
577A1-4D-30
CIRCOR AEROSPACE, INC.

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481400000 - Safety or relief valves.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

HOWDEN FLUID SYSTEMS - 33654

MEGGITT (NORTH HOLLYWOOD), INC. - 58163

CIRCOR AEROSPACE, INC. - 91816