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AT309979 — COOLER,FLUID,TRANSMISSION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AT309979: COOLER,FLUID,TRANSMISSION.

The COOLER,FLUID,TRANSMISSION is a the manufacturer industrial component. Key specifications include end_item_identification: CRAWLER DOZER, MODELS 750J AND 850J, part_name_assigned_by_controlling_agency: OIL COOLER, WINCH. This part is cataloged in the U.S.

Government catalog under NSN 2520-01-553-8071, 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
AT309979
NSN: 2520-01-553-8071
FSC: 2520 — Vehicular Power Transmission Components
CAGE: 75160 — DEERE & CO (USA)
SPECIFICATIONS
end_item_identificationCRAWLER DOZER, MODELS 750J AND 850J
part_name_assigned_by_controlling_agencyOIL COOLER, WINCH
NSN2520-01-553-8071
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COOLER,FLUID,TRANSMISSION TITLE COMPONENT PN AT309979 MFR COOLER,FLUID,TRANSMISS
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYOIL COOLER, WINCH
END ITEM IDENTIFICATIONCRAWLER DOZER, MODELS 750J AND 850J
OTHER ITEMS IN FSC 2520 — Vehicular Power Transmission Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2520-00-000-3976 2520-00-000-8852 2520-00-000-9292 2520-00-001-0011 2520-00-001-3397 2520-00-001-3425 2520-00-001-3440 2520-00-001-3441
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 AT309979?
AT309979 is a COOLER,FLUID,TRANSMISSION.
What is the NSN for AT309979?
AT309979 is cataloged in the U.S. Government catalog under NSN 2520-01-553-8071. 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.