NSN 4820-01-057-3218

Check Valve

FSC: 4820 NIIN: 010573218

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Product Characteristics

NSN:

4820010573218

Demilitarization:

INC:

05487

Shelf Life:

N/A

Flow Control Device:

Disk

Disk Loading Method:

Weight

Bolt Hole Quantity:

4 all ends

Valve Operation Method:

Automatic

Flange Shape:

Round with holes all ends

Connection Type:

Flange all ends

Mounting Position:

Horizontal or vertical

Valve Size:

1.000 inches

Maximum Operating Pressure:

300.0 pounds per square inch single response

Outside Diameter:

4.875 inches all ends

Face To Face Distance:

8.000 inches

Thickness:

0.688 inches all ends

Bolt Hole Diameter:

0.750 inches all ends

Bolt Circle Diameter:

3.500 inches all ends

Flange Face Design:

Plain all ends

Material:

Steel

Material Specification:

Astm a351, grade cf8m assn standard single material response

Style Designator:

Straight through flanged ends

Part Numbers

2620-927X11-ASS
ELECTRIC BOAT CORPORATION
2620-927X11-ASSY6C-1IN
ELECTRIC BOAT CORPORATION
2621-927-11ASSY1C
NATIONAL OILWELL
SS845-2181483AS
NAVAL SEA SYSTEMS COMMAND
SS845-2181483ASSY6C-1IN
NAVAL SEA SYSTEMS COMMAND

Shipping & Handling

HMIRS:

No MSDS. No hazardous material.

ESD:

No known electrostatic discharge.

Schedule B:

8481302090 - Check valves of steel.

Professional Distribution

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

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Cage Codes

ELECTRIC BOAT CORPORATION - 96169

NATIONAL OILWELL - 11836

NAVAL SEA SYSTEMS COMMAND - 53711