NSN 4820-00-400-9928

Safety Relief Valve

FSC: 4820 NIIN: 004009928

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Product Characteristics

NSN:

4820004009928

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3a 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

280.0 degrees fahrenheit single response

Connection Style:

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:

0.562 inches 1st end

Seat Angle:

37.0 degrees 1st end

Opening Pressure Setting:

140.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.375 inches 1st end

Material:

Aluminum alloy 2024

Material Specification:

Qq-225/6, alloy2024, t351 federal specification 1st material response and qq-225/6, alloy2024, t4 federal specification 2nd material response

Media For Which Designed:

Hydrogen 5th response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 1 military specification single treatment response

Style Designator:

Straight through w/baffle

Thread Series Designator:

Unf 1st end

Part Numbers

D559A6D140
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