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P28B8837 — IMPELLER,FAN,AXIAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

P28B8837: 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: 6.700 INCHES NOMINAL IN, material: ALUMINUM OVERALL, hub_location: CENTER, style_designator: STRAIGHT TIP, attachment_method: BOLT HOLE, mounting_hole_diameter: 0.200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4140-00-635-0888, 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
P28B8837
NSN: 4140-00-635-0888
FSC: 4140 — Fans, Air Circulators, and Blower Equipment
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
diameter6.700 INCHES NOMINAL IN
materialALUMINUM OVERALL
hub_locationCENTER
blade_quantity8
style_designatorSTRAIGHT TIP
attachment_methodBOLT HOLE
mounting_hole_diameter0.200 INCHES NOMINAL IN
mounting_hole_quantity3
mounting_bolt_circle_diameter2.563 INCHES NOMINAL IN
NSN4140-00-635-0888
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,FAN,AXIAL TITLE COMPONENT PN P28B8837 MFR IMPELLER,FAN,AXIAL
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 3
•
STYLE DESIGNATOR: STRAIGHT TIP
•
ATTACHMENT METHOD: BOLT HOLE
•
MOUNTING HOLE DIAMETER: 0.200 INCHES NOMINAL IN
•
DIAMETER: 6.700 INCHES NOMINAL IN
•
BLADE QUANTITY: 8
•
MOUNTING BOLT CIRCLE DIAMETER: 2.563 INCHES NOMINAL IN
•
HUB LOCATION: CENTER
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY3
STYLE DESIGNATORSTRAIGHT TIP
ATTACHMENT METHODBOLT HOLE
MOUNTING HOLE DIAMETER0.200 INCHES NOMINAL IN
DIAMETER6.700 INCHES NOMINAL IN
BLADE QUANTITY8
MOUNTING BOLT CIRCLE DIAMETER2.563 INCHES NOMINAL IN
HUB LOCATIONCENTER
MATERIALALUMINUM 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 1
28P8837-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 P28B8837?
P28B8837 is a IMPELLER,FAN,AXIAL.
What parts can replace P28B8837?
There is 1 known substitute for P28B8837: 28P8837-1. Substitute compatibility should be verified for your specific system.
What is the NSN for P28B8837?
P28B8837 is cataloged in the U.S. Government catalog under NSN 4140-00-635-0888. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.