NSN 4820-00-580-6431

Safety Relief Valve

FSC: 4820 NIIN: 005806431

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Product Characteristics

NSN:

4820005806431

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

0.250 inches 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Valve Discharge Flow Rate:

6.0 cubic feet per minute

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

Plain (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 1st end

Features Provided:

Valve stem lock shield

Thready Qty Per Inch (tpi):

18 1st end

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.250 inches 1st end

Opening Pressure Setting:

20.0 pounds per square inch

Material:

Stainless steel seat

Media For Which Designed:

Fuel/oil, hydrocarbon single response

Style Designator:

Straight thru

Thread Series Designator:

Npt 1st end

Part Numbers

381-1040PC2
RAYTHEON CO EQUIPMENT DEVELOPMENT
559T2M20
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 CO EQUIPMENT DEVELOPMENT - 99687

CIRCOR AEROSPACE, INC. - 91816