B7W-71837-1 — IMPELLER,FAN,AXIAL

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

B7W-71837-1: 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: 29.168 INCHES MINIMUM AND 29.172 INCHES MAXIMUM IN, material: ALUMINUM OVERALL, style_designator: OVERLAPPING ROUNDED TIP, attachment_method: BOLT HOLE, mounting_hole_diameter: 1.563 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN, rotation_direction_for_which_designed: COUNTERCLOCKWISE. This part is cataloged in the U.S.

Government catalog under NSN 4140-01-576-8826, 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

B7W-71837-1

NSN: 4140-01-576-8826
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 75477 — FM AF, LLC DBA AMERICAN FAN COMPANY (USA)

SPECIFICATIONS

diameter	29.168 INCHES MINIMUM AND 29.172 INCHES MAXIMUM IN
material	ALUMINUM OVERALL
blade_quantity	6
style_designator	OVERLAPPING ROUNDED TIP
attachment_method	BOLT HOLE
mounting_hole_diameter	1.563 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
mounting_hole_quantity	1
rotation_direction_for_which_designed	COUNTERCLOCKWISE
NSN	4140-01-576-8826

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING HOLE QUANTITY: 1

•

STYLE DESIGNATOR: OVERLAPPING ROUNDED TIP

•

ATTACHMENT METHOD: BOLT HOLE

•

MOUNTING HOLE DIAMETER: 1.563 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN

•

DIAMETER: 29.168 INCHES MINIMUM AND 29.172 INCHES MAXIMUM IN

•

BLADE QUANTITY: 6

•

MATERIAL: ALUMINUM OVERALL

•

ROTATION DIRECTION FOR WHICH DESIGNED: COUNTERCLOCKWISE

TYPICAL APPLICATIONS

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

TECHNICAL CHARACTERISTICS

MOUNTING HOLE QUANTITY	1
STYLE DESIGNATOR	OVERLAPPING ROUNDED TIP
ATTACHMENT METHOD	BOLT HOLE
MOUNTING HOLE DIAMETER	1.563 INCHES MINIMUM AND 1.564 INCHES MAXIMUM IN
DIAMETER	29.168 INCHES MINIMUM AND 29.172 INCHES MAXIMUM IN
BLADE QUANTITY	6
MATERIAL	ALUMINUM OVERALL
ROTATION DIRECTION FOR WHICH DESIGNED	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 1

R1-3566 PC1Reference 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 B7W-71837-1?

B7W-71837-1 is a IMPELLER,FAN,AXIAL.

What parts can replace B7W-71837-1?

There is 1 known substitute for B7W-71837-1: R1-3566 PC1. Substitute compatibility should be verified for your specific system.

What is the NSN for B7W-71837-1?

B7W-71837-1 is cataloged in the U.S. Government catalog under NSN 4140-01-576-8826. This indicates validated use in U.S. government and defense supply chains.

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