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11478181 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

11478181: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include material: ALUMINUM ALLOY 6063, body_style: BOARD MOUNTED, overall_width: 1.785 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN, overall_height: 0.283 INCHES MAXIMUM IN, overall_length: 1.755 INCHES MAXIMUM IN, end_item_identification: 1430-01-433-8025. This part is cataloged in the U.S.

Government catalog under NSN 5999-01-474-6731, 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
11478181
NSN: 5999-01-474-6731
FSC: 5999 — Miscellaneous Electrical and Electronic Components
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6063
body_styleBOARD MOUNTED
overall_width1.785 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN
overall_height0.283 INCHES MAXIMUM IN
overall_length1.755 INCHES MAXIMUM IN
end_item_identification1430-01-433-8025
mounting_facility_type_and_quantity1 PLUG-IN SINGLE MOUNTING FACILITY
NSN5999-01-474-6731
COMPONENT DIAGRAM
HANDLE 60mm 60mm HOT-PLUG COOL IN HOT OUT DUAL ROTOR HOT-SWAP FAN MODULE | 60mm Dual Rotor | FRONT-TO-BACK Hot-plug | Redundant | TITLE FAN MODULE PN 11478181 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 PLUG-IN SINGLE MOUNTING FACILITY
•
BODY STYLE: BOARD MOUNTED
•
MATERIAL: ALUMINUM ALLOY 6063
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN SINGLE MOUNTING FACILITY
OVERALL HEIGHT0.283 INCHES MAXIMUM IN
BODY STYLEBOARD MOUNTED
OVERALL LENGTH1.755 INCHES MAXIMUM IN
OVERALL WIDTH1.785 INCHES MINIMUM AND 1.815 INCHES MAXIMUM IN
END ITEM IDENTIFICATION1430-01-433-8025
MATERIALALUMINUM ALLOY 6063
OTHER ITEMS IN FSC 5999 — Miscellaneous Electrical and Electronic Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5999-00-001-1345 5999-00-001-1346 5999-00-001-1348 5999-00-001-1349 5999-00-001-1355 5999-00-001-1623 5999-00-001-2537 5999-00-001-2539
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 11478181?
11478181 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What is the NSN for 11478181?
11478181 is cataloged in the U.S. Government catalog under NSN 5999-01-474-6731. 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.