1543970 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

1543970: IMPELLER,FAN,CENTRIFUGAL.

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 0.666 INCHES MINIMUM AND 0.706 INCHES MAXIMUM IN, diameter: 5.245 INCHES MINIMUM AND 5.255 INCHES MAXIMUM IN, material: ALUMINUM ALLOY BLADE, blade_quantity: 87, style_designator: MIXED FLOW SINGLE WIDTH. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-455-9645, 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

1543970

NSN: 4140-00-455-9645
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 03JA2 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL DIV AEROSPACE - STRATEGIC SENSORS (USA)

SPECIFICATIONS

width	0.666 INCHES MINIMUM AND 0.706 INCHES MAXIMUM IN
diameter	5.245 INCHES MINIMUM AND 5.255 INCHES MAXIMUM IN
material	ALUMINUM ALLOY BLADE
blade_quantity	87
special_features	SPLINE DATA,12 TEETH,24/48 PITCH,30.0 DEG PRESSURE ANGLE,HUB MATERIAL,STEEL QQ-S-633C COMP B1112 COND ACF,CADMIUM-PLATED QQ-P-416 CL 2 TY 2
style_designator	MIXED FLOW SINGLE WIDTH
NSN	4140-00-455-9645

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: MIXED FLOW SINGLE WIDTH

•

DIAMETER: 5.245 INCHES MINIMUM AND 5.255 INCHES MAXIMUM IN

•

BLADE QUANTITY: 87

•

WIDTH: 0.666 INCHES MINIMUM AND 0.706 INCHES MAXIMUM IN

•

MATERIAL: ALUMINUM ALLOY BLADE

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	MIXED FLOW SINGLE WIDTH
DIAMETER	5.245 INCHES MINIMUM AND 5.255 INCHES MAXIMUM IN
BLADE QUANTITY	87
SPECIAL FEATURES	SPLINE DATA,12 TEETH,24/48 PITCH,30.0 DEG PRESSURE ANGLE,HUB MATERIAL,STEEL QQ-S-633C COMP B1112 COND ACF,CADMIUM-PLATED QQ-P-416 CL 2 TY 2
WIDTH	0.666 INCHES MINIMUM AND 0.706 INCHES MAXIMUM IN
MATERIAL	ALUMINUM ALLOY BLADE

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

No substitute or cross-reference records for this part.

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 1543970?

1543970 is a IMPELLER,FAN,CENTRIFUGAL.

What is the NSN for 1543970?

1543970 is cataloged in the U.S. Government catalog under NSN 4140-00-455-9645. This indicates validated use in U.S. government and defense supply chains.

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1543970 — IMPELLER,FAN,CENTRIFUGAL

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