NSN 4820-01-439-9033

Safety Relief Valve

FSC: 4820 NIIN: 014399033

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Product Characteristics

NSN:

4820014399033

Demilitarization:

INC:

05488

Shelf Life:

60 mo.

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Bonnet Type:

Inside spring

Bonnet Attachment Method:

Integral

Disk Loading Method:

Spring

Maximum Operating Temp:

400.0 degrees fahrenheit single response

Minimum Operating Temp:

-100.0 degrees fahrenheit

End Application:

Strategic sealift conversion ships class

Connection Style:

G42 flared (tube) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube 1st end

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.438 inches 1st end

Seat Angle:

37.0 degrees 1st end

Opening Pressure Setting:

10.0 pounds per square inch

Material:

Steel comp 303 seat

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Err-090

Thread Series Designator:

Unjf 1st end

Furnished Items And Quantity:

1 deflector cap

Part Numbers

918531
L3 TECHNOLOGIES, INC.
D520T4D10
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

L3 TECHNOLOGIES, INC. - 34228

CIRCOR AEROSPACE, INC. - 91816