NSN 4820-00-922-8422

Stop-check Valve

FSC: 4820 NIIN: 009228422

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Product Characteristics

NSN:

4820009228422

Demilitarization:

DEMIL/MLI

INC:

05486

Shelf Life:

N/A

Pipe Size Accommodated:

0.500 inches 1st end

Flow Control Device:

Disk

Bonnet Type:

Inside screw

Bonnet Attachment Method:

Union

Renewable Seat Ring Type:

Threaded

Maximum Operating Temp:

150.0 degrees fahrenheit single response

Connection Style:

Socket with brazing ring (pipe) 1st end

Valve Operation Method:

Manual

Connection Type:

Unthreaded internal pipe 1st end

Mounting Position:

Horizontal

Features Provided:

Bonnet packing

Maximum Operating Pressure:

700.0 pounds per square inch single response

Criticality Code Justification:

Zzzy

Material:

Nickel alloy 400 stem or nickel alloy r-405 stem

Media For Which Designed:

Water-oil-gas single response

Style Designator:

Straight thru

Reference Number Differentiating Characteristics:

Quality control iaw navships 0948-045-7010 material identification and control instruction for level 1 items

Part Numbers

2620-902
ELECTRIC BOAT CORPORATION
2620-902ASSYE1/2IN
ELECTRIC BOAT CORPORATION
2620-902ASSYE1/2INL1
NAVAL INVENTORY CONTROL POINT
2620-902L1
NAVAL INVENTORY CONTROL POINT
845-1889587ASSYE1/2IN
ELECTRIC BOAT CORPORATION
845-1889587ASSYE1/2INL1
NAVAL INVENTORY CONTROL POINT

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

ELECTRIC BOAT CORPORATION - 96169

NAVAL INVENTORY CONTROL POINT - 03950