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9440863 — HEAT SINK,ELECTRICAL-ELECTRONIC

✓ Government record, cited
— · FAN MODULE
PRODUCT OVERVIEW

9440863: HEAT SINK,ELECTRICAL-ELECTRONIC.

HEAT SINK,ELECTRICAL-ELECTRONIC. Key specifications include length: 0.770 INCHES NOMINAL IN, material: COPPER, piston_cup: NOT INCLUDED, groove_depth: 0.185 INCHES NOMINAL IN, groove_width: 1.627 INCHES NOMINAL IN, steel_insert: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 1630-00-241-8711, 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
9440863
NSN: 1630-00-241-8711
NIINs: 002418711, 003859480, 014068721
FSC: 1630 — Aircraft Wheel and Brake Systems
CAGE: 25500 — LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
length0.770 INCHES NOMINAL IN
materialCOPPER
piston_cupNOT INCLUDED
groove_depth0.185 INCHES NOMINAL IN
groove_width1.627 INCHES NOMINAL IN
steel_insertNOT INCLUDED
overall_width0.380 INCHES NOMINAL IN
overall_height0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
overall_length1.500 INCHES NOMINAL IN
size_designator1.997 IN. IN
outside_diameter1.997 INCHES NOMINAL IN
construction_typeONE-PIECE
NSN1630-00-241-8711
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 9440863 MFR OEM HEAT SINK,ELECTRICAL-ELECTRONIC
KEY FEATURES
•
LENGTH: 0.770 INCHES NOMINAL IN
•
PISTON CUP: NOT INCLUDED
•
SURFACE CONDITION: EXTERNALLY GROOVED
•
GROOVE DEPTH: 0.185 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.997 INCHES NOMINAL IN
•
STEEL INSERT: NOT INCLUDED
•
SIZE DESIGNATOR: 1.997 IN. IN
•
MATERIAL: ALUMINUM ALLOY
TECHNICAL CHARACTERISTICS
LENGTH0.770 INCHES NOMINAL IN
PISTON CUPNOT INCLUDED
SURFACE CONDITIONEXTERNALLY GROOVED
GROOVE DEPTH0.185 INCHES NOMINAL IN
OUTSIDE DIAMETER1.997 INCHES NOMINAL IN
STEEL INSERTNOT INCLUDED
SIZE DESIGNATOR1.997 IN. IN
MATERIALALUMINUM ALLOY
CONSTRUCTION TYPEONE-PIECE
GROOVE WIDTH1.627 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
5011934Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9440863?
9440863 is a HEAT SINK,ELECTRICAL-ELECTRONIC.
What parts can replace 9440863?
There is 1 known substitute for 9440863: 5011934. Substitute compatibility should be verified for your specific system.
What is the NSN for 9440863?
9440863 is cataloged in the U.S. Government catalog under NSN 1630-00-241-8711. 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.