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12446590 — HOUSING,TRANSMISSION,MECHANICAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

12446590: HOUSING,TRANSMISSION,MECHANICAL.

HOUSING,TRANSMISSION,MECHANICAL. Key specifications include end_item_identification: INFANTRY FIGHTING VEHICLE (M2, M2A1, M2A2), CAVALRY FIGHTING VEHICLE (M3, M3A1, M3A2). This part is cataloged in the U.S.

Government catalog under NSN 2520-01-482-0187, 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
12446590
NSN: 2520-01-482-0187
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
end_item_identificationINFANTRY FIGHTING VEHICLE (M2, M2A1, M2A2), CAVALRY FIGHTING VEHICLE (M3, M3A1, M3A2)
NSN2520-01-482-0187
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOUSING,TRANSMISSION,MECHANICAL TITLE COMPONENT PN 12446590 MFR HOUSING,TRANSMISSION,M
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONINFANTRY FIGHTING VEHICLE (M2, M2A1, M2A2), CAVALRY FIGHTING VEHICLE (M3, M3A1, M3A2)
OTHER ITEMS IN FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-005-4937 2520-00-006-6257 2520-00-008-9977 2520-00-039-6567 2520-00-242-3316 2520-00-358-3905 2520-00-366-7191 2520-00-708-6603
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12446590?
12446590 is a HOUSING,TRANSMISSION,MECHANICAL.
What is the NSN for 12446590?
12446590 is cataloged in the U.S. Government catalog under NSN 2520-01-482-0187. 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.