NSN 4820-01-222-7812

Safety Relief Valve

FSC: 4820 NIIN: 012227812

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Product Characteristics

NSN:

4820012227812

Demilitarization:

INC:

05488

Shelf Life:

N/A

Thread Class:

3b 2nd end

Thread Direction:

Right-hand all ends

Flow Control Device:

Disk

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

Plain (tube) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal tube 2nd end

Thready Qty Per Inch (tpi):

18 all ends

Thread Size:

0.438 inches all ends

Opening Pressure Setting:

14.0 pounds per square inch

Outside Diameter Tube Accommodated:

0.250 inches 2nd end

Material:

Aluminum alloy 2024 body

Material Specification:

Qq-a-25/6 federal specification single material response body

Media For Which Designed:

Air 1st response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625 military specification single treatment response

Style Designator:

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

Thread Series Designator:

Uns all ends

Part Numbers

559A-4DB-14
CIRCOR AEROSPACE, INC.
807622
RAYTHEON COMPANY
807622-1
RAYTHEON COMPANY

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

RAYTHEON COMPANY - 96214