NSN 4820-00-490-5457

Safety Relief Valve

FSC: 4820 NIIN: 004905457

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Product Characteristics

NSN:

4820004905457

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

Maximum Operating Temp:

-40.0 degrees fahrenheit 1st response250.0 degrees fahrenheit 2nd response

Connection Style:

Plain (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external pipe 1st end

Maximum Operating Pressure:

200.0 pounds per square inch single response

Thread Size:

0.250 inches 1st end

Opening Pressure Setting:

32.0 pounds per square inch

Special Features:

Pop-off type

Material:

Copper alloy

Media For Which Designed:

Hydrogen 5th response

Style Designator:

Straight through note: to be used for valve bodies of one section only.

Thread Series Designator:

Npt 1st end

Part Numbers

559B-2M-32
CIRCOR AEROSPACE, INC.
QB200192-11
HONEYWELL INTL 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

HONEYWELL INTL INC - 55974