FF12990 PIECE 3 — IMPELLER,FAN,AXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

FF12990 PIECE 3: IMPELLER,FAN,AXIAL.

The IMPELLER,FAN,AXIAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include diameter: 18.965 INCHES MINIMUM AND 18.970 INCHES MAXIMUM IN, material: ALUMINUM ALLOY OVERALL, hub_location: CENTER, blade_quantity: 23, style_designator: ROUNDED TIP, attachment_method: KEYWAY AND SETSCREW. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-181-8747, 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

FF12990 PIECE 3

NSN: 4140-01-181-8747
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 75477 — FM AF, LLC DBA AMERICAN FAN COMPANY (USA)

SPECIFICATIONS

diameter	18.965 INCHES MINIMUM AND 18.970 INCHES MAXIMUM IN
material	ALUMINUM ALLOY OVERALL
hub_location	CENTER
blade_quantity	23
style_designator	ROUNDED TIP
attachment_method	KEYWAY AND SETSCREW
end_item_identification	VANEAXIAL FAN,JOY MFG CO MODEL AVR190-165D2427
NSN	4140-01-181-8747

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: ROUNDED TIP

•

ATTACHMENT METHOD: KEYWAY AND SETSCREW

•

DIAMETER: 18.965 INCHES MINIMUM AND 18.970 INCHES MAXIMUM IN

•

BLADE QUANTITY: 23

•

HUB LOCATION: CENTER

•

MATERIAL: ALUMINUM ALLOY OVERALL

TYPICAL APPLICATIONS

Server thermal management and cooling
Hot-swap fan replacement in production environments
Redundant cooling for high-availability systems

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	ROUNDED TIP
ATTACHMENT METHOD	KEYWAY AND SETSCREW
DIAMETER	18.965 INCHES MINIMUM AND 18.970 INCHES MAXIMUM IN
BLADE QUANTITY	23
HUB LOCATION	CENTER
END ITEM IDENTIFICATION	VANEAXIAL FAN,JOY MFG CO MODEL AVR190-165D2427
MATERIAL	ALUMINUM ALLOY OVERALL

OTHER ITEMS IN FSC 4140 — Fans, Air Circulators, and Blower Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4140-00-000-0082 4140-00-001-1517 4140-00-001-1536 4140-00-001-1537 4140-00-001-3930 4140-00-001-6464 4140-00-001-6874 4140-00-001-6875

SUBSTITUTES & CROSS-REFERENCES 2

1389339-1Reference document

Same NSN cross-reference

Reference document — Secondary reference

50551-604Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is FF12990 PIECE 3?

FF12990 PIECE 3 is a IMPELLER,FAN,AXIAL.

What parts can replace FF12990 PIECE 3?

There are 2 known substitutes for FF12990 PIECE 3: 1389339-1, 50551-604. Substitute compatibility should be verified for your specific system.

What is the NSN for FF12990 PIECE 3?

FF12990 PIECE 3 is cataloged in the U.S. Government catalog under NSN 4140-01-181-8747. This indicates validated use in U.S. government and defense supply chains.

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FF12990 PIECE 3 — IMPELLER,FAN,AXIAL

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