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Technical Data Sheet
PartsTable / COMPONENT / 426734
426734 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The IMPELLER,FAN,CENTRIFUGAL is a the manufacturer thermal management component critical for maintaining optimal operating temperatures in enterprise hardware. Key specifications include width: 0.688 INCHES NOMINAL IN, diameter: 5.000 INCHES NOMINAL IN, material: STEEL OVERALL, blade_quantity: 13, style_designator: CURVED BLADES SINGLE WIDTH, attachment_method: KEYWAY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-006-4757, 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
426734
NSN: 5330-00-006-4757
FSC: 5330
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
width0.688 INCHES NOMINAL IN
diameter5.000 INCHES NOMINAL IN
materialSTEEL OVERALL
blade_quantity13
style_designatorCURVED BLADES SINGLE WIDTH
attachment_methodKEYWAY
rotation_direction_for_which_designedCLOCKWISE
NSN5330-00-006-4757
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 426734 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
APERTURE DIAMETER: 0.562 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
CROSS-SECTIONAL THICKNESS: 0.045 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 0.682 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER0.562 INCHES MINIMUM AND 0.567 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
CROSS-SECTIONAL THICKNESS0.045 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER0.682 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
1866400Interchangeable
interchangeable cross-reference
interchangeable
619052Interchangeable
interchangeable cross-reference
interchangeable
HBV-A2-10-0005-06Interchangeable
Same NIIN cross-reference
interchangeable
402-19-14-0001-0002Interchangeable
Same NIIN cross-reference
interchangeable
803-5001003-A531-08Interchangeable
Same NIIN cross-reference
interchangeable
002-19-14-0001-0002Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 426734?
426734 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 426734?
There are 9 known substitutes for 426734: 1866400, 619052, HBV-A2-10-0005-06 and 6 more. Substitute compatibility should be verified for your specific system.
Is 426734 still available?
426734 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026