NSN 4820-00-204-1890

Check Valve

FSC: 4820 NIIN: 002041890

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Product Characteristics

NSN:

4820002041890

Demilitarization:

INC:

05487

Shelf Life:

N/A

Pipe Size Accommodated:

2.000 inches 1st end

Thread Direction:

Right-hand 1st end

Flow Control Device:

Disk

Renewable Seat Ring Type:

Threaded

Connection Style:

Plain, optional end (pipe) 1st end

Valve Operation Method:

Automatic

Connection Type:

Threaded internal pipe 2nd end

Mounting Position:

Horizontal

Thready Qty Per Inch (tpi):

11-1/2 1st end

Maximum Operating Pressure:

300.0 pounds per square inch single response

Thread Size:

2.000 inches 1st end

Material:

Copper alloy 706

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Straight thru

Thread Series Designator:

Npt 1st end

Part Numbers

277WS2
THE WALWORTH COMPANY
4276-55REVAPCV113
PEARL HARBOR NAVAL SHIPYARD AND
576-4900-1505133PCV113
NAVAL SEA SYSTEMS COMMAND
576-4900-1505133REVAPCV113
NAVAL SHIP SYSTEMS COMMAND
DS2161PC277WS2
THE WALWORTH COMPANY

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

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Cage Codes

THE WALWORTH COMPANY - 63686

PEARL HARBOR NAVAL SHIPYARD AND - 89103

NAVAL SEA SYSTEMS COMMAND - 53711

NAVAL SHIP SYSTEMS COMMAND - 80064