DLA Land-Warren is seeking sources capable of supplying the Final Drive Assembly, NSN 2520-01-061-5766, Government Part Number 12253512, for the M113A1/A2 Armored Personnel Carrier/Combat Vehicle/Anti-Tank; this is a sources-sought/request-for-information only, not a formal solicitation or commitment to procure. Interested firms should provide company and POC details, CAGE code, business size, capability and manufacturing experience for similar military components, ISO 9001:2015 or equivalent documentation, estimated lead time for first article and production units, and a ROM cost for the stated quantity including any discounts; FOB is Destination. Export-controlled technical data access requires Joint Certification Program certification via DD Form 2345 mailed with required documentation and a separate TDP access request through SAM.gov/Contract Opportunities. The JCP certification or denial process generally takes no more than one week, and firms without Contract Opportunities access should register promptly. Approved-source information is available through the TACOM Source Approval Program and SAR package requirements.