NSN 4820-00-202-9798

Check Valve

FSC: 4820 NIIN: 002029798

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Product Characteristics

NSN:

4820002029798

Demilitarization:

INC:

05487

Shelf Life:

N/A

Pipe Size Accommodated:

1.250 inches all ends

Flow Control Device:

Disk

Disk Loading Method:

Weight

Renewable Seat Ring Type:

Threaded

Maximum Operating Temp:

550.0 degrees fahrenheit single response

Connection Style:

Socket with brazing ring (pipe) all ends

Valve Operation Method:

Automatic

Connection Type:

Unthreaded internal pipe all ends

Mounting Position:

Horizontal

Maximum Operating Pressure:

700.0 pounds per square inch 2nd response

Material:

Nickel alloy flow control device

Material Specification:

Qq-c-390, alloy d4 federal specification single material response stem

Media For Which Designed:

Water-oil-gas 2nd response

Style Designator:

Straight thru

Part Numbers

220WS1 1-4
THE WALWORTH COMPANY
277WS1 1-4
THE WALWORTH COMPANY
DS2161-1PC277WS11-4
THE WALWORTH COMPANY
SS845-1889587ASYB1-1/4
NAVAL SEA SYSTEMS COMMAND

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481301090 - Check valves of copper having a pressure rating of 850 kpa or over.

Professional Distribution

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

Similar NSN

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Cage Codes

THE WALWORTH COMPANY - 63686

NAVAL SEA SYSTEMS COMMAND - 53711