75439-2-A — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

75439-2-A: 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: 2.438 INCHES NOMINAL IN, diameter: 12.750 INCHES NOMINAL IN, material: ALUMINUM OVERALL, blade_quantity: 18, special_features: RETAINING CLIP, style_designator: STRAIGHT RADIAL W/ BACK PLATE. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-182-7756, 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

75439-2-A

NSN: 4140-01-182-7756
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 50380 — RELIANCE ELECTRIC (USA)

SPECIFICATIONS

width	2.438 INCHES NOMINAL IN
diameter	12.750 INCHES NOMINAL IN
material	ALUMINUM OVERALL
blade_quantity	18
special_features	RETAINING CLIP
style_designator	STRAIGHT RADIAL W/ BACK PLATE
attachment_method	KEYWAY
rotation_direction_for_which_designed	CLOCKWISE OR COUNTERCLOCKWISE
NSN	4140-01-182-7756

COMPONENT DIAGRAM

KEY FEATURES

•

STYLE DESIGNATOR: STRAIGHT RADIAL W/ BACK PLATE

•

ATTACHMENT METHOD: KEYWAY

•

DIAMETER: 12.750 INCHES NOMINAL IN

•

BLADE QUANTITY: 18

•

WIDTH: 2.438 INCHES NOMINAL IN

•

MATERIAL: ALUMINUM OVERALL

•

ROTATION DIRECTION FOR WHICH DESIGNED: CLOCKWISE OR COUNTERCLOCKWISE

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

STYLE DESIGNATOR	STRAIGHT RADIAL W/ BACK PLATE
ATTACHMENT METHOD	KEYWAY
DIAMETER	12.750 INCHES NOMINAL IN
BLADE QUANTITY	18
SPECIAL FEATURES	RETAINING CLIP
WIDTH	2.438 INCHES NOMINAL IN
MATERIAL	ALUMINUM OVERALL
ROTATION DIRECTION FOR WHICH DESIGNED	CLOCKWISE OR COUNTERCLOCKWISE

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

75439-2-RReference document

Same NSN cross-reference

Reference document — Design control — primary reference

87821 PIECE 11Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

Ready to buy 75439-2-A?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 75439-2-A?

75439-2-A is a IMPELLER,FAN,CENTRIFUGAL.

What parts can replace 75439-2-A?

There are 2 known substitutes for 75439-2-A: 75439-2-R, 87821 PIECE 11. Substitute compatibility should be verified for your specific system.

What is the NSN for 75439-2-A?

75439-2-A is cataloged in the U.S. Government catalog under NSN 4140-01-182-7756. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

75439-2-A — IMPELLER,FAN,CENTRIFUGAL

Request a Quote — 75439-2-A