NSN 4820-00-191-7127

Check Valve

FSC: 4820 NIIN: 001917127

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Product Characteristics

NSN:

4820001917127

Demilitarization:

INC:

05487

Shelf Life:

N/A

Thread Class:

3a all ends

Thread Direction:

Right-hand all ends

Flow Control Device:

Poppet

Disk Loading Method:

Spring

Maximum Operating Temp:

250.0 degrees fahrenheit single response

Connection Style:

Flared (tube) all ends

Valve Operation Method:

Automatic

Connection Type:

Threaded external tube all ends

Mounting Position:

Horizontal

Maximum Operating Pressure:

3000.0 pounds per square inch single response

Thread Size:

0.438 inches all ends

Seat Angle:

37.0 degrees all ends

Outside Diameter Tube Accommodated:

0.250 inches all ends

Material:

Aluminum alloy 2024 body

Material Specification:

Qq-a-225/6, alloy 2024, t4 federal specification single material response seat

Media For Which Designed:

Ammonia, gaseous 3rd response

Style Designator:

Straight thru

Thread Series Designator:

Unf all ends

Part Numbers

249A4TT
CIRCOR AEROSPACE, INC.
665-0019
MEGGITT (TROY), INC.

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481309000 - Check valves of materials other than copper, iron or steel.

Professional Distribution

ITAR Registered
DDTC Registered
HAZMAT Certified
AS9120 Quality Standards
100% Quality Inspections

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Cage Codes

CIRCOR AEROSPACE, INC. - 91816

MEGGITT (TROY), INC. - 78385