NSN 4820-00-353-7642

Check Valve

FSC: 4820 NIIN: 003537642

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Product Characteristics

NSN:

4820003537642

Demilitarization:

DEMIL/MLI

INC:

05487

Shelf Life:

N/A

Flow Control Device:

Disk

Disk Loading Method:

Spring

Bolt Hole Quantity:

4 2nd end

Width:

4.010 inches 1st end

Length:

4.010 inches 2nd end

Valve Operation Method:

Automatic

Flange Shape:

Rectangular with holes 1st end

Connection Type:

Flange 1st end

Mounting Position:

Horizontal or vertical

Maximum Operating Pressure:

120.0 pounds per square inch single response

Face To Face Distance:

3.865 inches

Thickness:

0.185 inches 2nd end

Bolt Hole Diameter:

0.265 inches 2nd end

Center To Center Distance Between Bolt Holes Along Length:

3.250 inches 2nd end

Center To Center Distance Between Bolt Holes Along Width:

3.250 inches 1st end

Flange Face Design:

Plain 2nd end

Material:

Aluminum alloy 384.0

Media For Which Designed:

Fuel/oil, hydrocarbon single response

Surface Treatment:

Anodize

Surface Treatment Specification:

Mil-a-8625, type 2 military specification single treatment response

Style Designator:

Straight thru

Part Numbers

225128-1
TAVCO INC.
749939
LOCKHEED MARTIN CORPORATION
749939-103
LOCKHEED MARTIN CORPORATION

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

TAVCO INC. - 99221

LOCKHEED MARTIN CORPORATION - 98897