NSN 4820-00-618-7821

Check Valve

FSC: 4820 NIIN: 006187821

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Product Characteristics

NSN:

4820006187821

Demilitarization:

DEMIL/MLI

INC:

05487

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:

480.0 degrees fahrenheit single response

Connection Style:

External seat for gasket seal (boss) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded external boss 1st end

Mounting Position:

Horizontal or vertical

Maximum Operating Pressure:

600.0 pounds per square inch single response

Thread Size:

0.438 inches 1st end

Seat Angle:

37.0 degrees 1st end

Special Features:

Non-standard cracking pressure 8 in. H2o

Material:

Aluminum alloy 2024 body

Material Specification:

Qq-a-225/6 federal specification single material response body

Surface Treatment:

Anodize

Surface Treatment Specification:

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

Style Designator:

Straight thru

Thread Series Designator:

Unjf 1st end

Part Numbers

518471
HAMILTON SUNDSTRAND CORPORATION
824A4TT4
CIRCOR AEROSPACE, 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

HAMILTON SUNDSTRAND CORPORATION - 73030

CIRCOR AEROSPACE, INC. - 91816