NSN 4820-00-839-4188

Safety Relief Valve

FSC: 4820 NIIN: 008394188

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Product Characteristics

NSN:

4820008394188

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

1.0 cubic feet per minute

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

G46b plain (pipe) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe all ends

Features Provided:

Pressure tight outlet side

Adjustable Pressure Range:

+2.5/+5.9 pounds per square inch

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.250 inches all ends

Opening Pressure Setting:

4.0 pounds per square inch

Special Features:

Pop-off type

Material:

Copper alloy

Media For Which Designed:

Hydrogen 5th response

Style Designator:

Err-090

Thread Series Designator:

Npt all ends

Part Numbers

412732-2
RAYTHEON COMPANY
559B-2M-4
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

RAYTHEON COMPANY - 96214

CIRCOR AEROSPACE, INC. - 91816