NSN 4820-00-844-7744

Safety Relief Valve

FSC: 4820 NIIN: 008447744

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Product Characteristics

NSN:

4820008447744

Demilitarization:

INC:

05488

Shelf Life:

N/A

Pipe Size Accommodated:

1.000 inches 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit 2nd response

Connection Style:

G46b plain (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 1st end

Features Provided:

Valve stem lock shield and bonnet packing and pressure tight outlet side

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

1.000 inches 1st end

Opening Pressure Setting:

21.0 pounds per square inch

Special Features:

Pop-off type

Material:

Steel comp 303

Media For Which Designed:

Hydrogen 5th response

Style Designator:

Err-090

Thread Series Designator:

Npt 1st end

Reference Number Differentiating Characteristics:

As differentiated by pre-set setting

Part Numbers

559A1M
CIRCOR AEROSPACE, INC.
559A8M21
CIRCOR AEROSPACE, INC.
559T-8M-21
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

CIRCOR AEROSPACE, INC. - 91816