Given the tight deadline and the severe consequences for missing it, the most closely aligned negotiation objective for the manufacturing firm is to expedite the fabrication and delivery of the sub-component.
Ensuring timely delivery is crucial to meet the contract deadline. While cost savings and payment terms are important, the primary focus must be on timely completion to avoid penalties. Enhanced quality inspections can also be important but are secondary to the urgency of meeting the deadline in this context.
References:
* Fisher, M. L. (1997). What is the right supply chain for your product? Harvard Business Review.
* Burt, D. N., Dobler, D. W., & Starling, S. L. (2003). World Class Supply Management.