4C388 — TERMINAL,VENTILATION DUCT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4C388: TERMINAL,VENTILATION DUCT.

The TERMINAL,VENTILATION DUCT is a the manufacturer industrial component. Key specifications include damper: INCLUDED, diameter: 4.0 INCHES IN, material: ALUMINUM, special_features: USE FOR 3 INCH OR 4 INCH ROUND DUCT; 4 INCH TO 3 INCH TRANSITION INCLUDED; FLANGE SIZE 6 INCHES X 6 INCHES IN, style_designator: STRAIGHT. This part is cataloged in the U.S.

Government catalog under NSN 5670-01-685-6494, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS

4C388

NSN: 5670-01-685-6494
FSC: 5670 — Building Components, Prefabricated
CAGE: 01FK7 — GRAINGER W W INC GRAINGER DIV (USA)

SPECIFICATIONS

damper	INCLUDED
diameter	4.0 INCHES IN
material	ALUMINUM
special_features	USE FOR 3 INCH OR 4 INCH ROUND DUCT; 4 INCH TO 3 INCH TRANSITION INCLUDED; FLANGE SIZE 6 INCHES X 6 INCHES IN
style_designator	STRAIGHT
NSN	5670-01-685-6494

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: STRAIGHT

•

DAMPER: INCLUDED

•

MATERIAL: ALUMINUM

•

DIAMETER: 4.0 INCHES IN

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	STRAIGHT
DAMPER	INCLUDED
SPECIAL FEATURES	USE FOR 3 INCH OR 4 INCH ROUND DUCT; 4 INCH TO 3 INCH TRANSITION INCLUDED; FLANGE SIZE 6 INCHES X 6 INCHES IN
MATERIAL	ALUMINUM
DIAMETER	4.0 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 2

100396975Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

642Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4C388?

4C388 is a TERMINAL,VENTILATION DUCT.

What parts can replace 4C388?

There are 2 known substitutes for 4C388: 100396975, 642. Substitute compatibility should be verified for your specific system.

What is the NSN for 4C388?

4C388 is cataloged in the U.S. Government catalog under NSN 5670-01-685-6494. This indicates validated use in U.S. government and defense supply chains.

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4C388 — TERMINAL,VENTILATION DUCT

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