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5805-4 — IMPELLER,FAN,CENTRIFUGAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5805-4: 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: 1.000 INCHES NOMINAL IN, diameter: 6.900 INCHES NOMINAL IN, material: STEEL OVERALL, long_arm_length: 3.484 INCHES NOMINAL IN, short_arm_length: 0.688 INCHES NOMINAL IN, style_designator: L-HANDLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-302-1415, 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
5805-4
NSN: 5340-00-302-1415
NIINs: 003021415, 006330384, 013352090, 013558879
FSC: 5340 — Hardware, Commercial
CAGE: 42689 — NATIONAL LOCK CO (USA)
SPECIFICATIONS
width1.000 INCHES NOMINAL IN
diameter6.900 INCHES NOMINAL IN
materialSTEEL OVERALL
long_arm_length3.484 INCHES NOMINAL IN
short_arm_length0.688 INCHES NOMINAL IN
style_designatorL-HANDLE
features_providedLONG SERIES
surface_treatmentOXIDE OVERALL
wrenching_surface_size2.5 MILLIMETERS NOMINAL BOTH ENDS MM
wrenching_surface_shapeHEXAGON BOTH ENDS EXTERNAL
NSN5340-00-302-1415
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5805-4 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
•
MOUNTING HOLE QUANTITY: 4
•
REVERSIBLE FEATURE: NOT INCLUDED
•
BODY WIDTH: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTT, SINGLE ACTION, NON-ADJUSTABLE, EXPOSED SPRING
•
MOUNTING HOLE DIAMETER: 0.160 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 0.500 INCHES NOMINAL IN
•
HINGE MOUNTING TYPE: FULL SURFACE
•
MATERIAL THICKNESS: 0.035 INCHES NOMINAL IN
TYPICAL APPLICATIONS
  • Server thermal management and cooling
  • Hot-swap fan replacement in production environments
  • Redundant cooling for high-availability systems
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY4
REVERSIBLE FEATURENOT INCLUDED
BODY WIDTH1.000 INCHES NOMINAL IN
STYLE DESIGNATORBUTT, SINGLE ACTION, NON-ADJUSTABLE, EXPOSED SPRING
MOUNTING HOLE DIAMETER0.160 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE0.500 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL SURFACE
MATERIAL THICKNESS0.035 INCHES NOMINAL IN
PIN REMOVABILITYNONREMOVABLE
KNUCKLE QUANTITY2
SUBSTITUTES & CROSS-REFERENCES 3
D4524-32-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SPG44Reference document
Same NSN cross-reference
Reference document — Secondary reference
4133-742580Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5805-4?
5805-4 is a IMPELLER,FAN,CENTRIFUGAL.
What parts can replace 5805-4?
There are 3 known substitutes for 5805-4: D4524-32-1, SPG44, 4133-742580. Substitute compatibility should be verified for your specific system.
What is the NSN for 5805-4?
5805-4 is cataloged in the U.S. Government catalog under NSN 5340-00-302-1415. 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.