This is a sole-source combined synopsis/solicitation for commercial supplies, specifically long lead time material for a Main Reduction Gear thrust bearing replacement, intended for Timken Gears and Services, Inc. (Philadelphia Gear). Interested parties may identify their interest and capability, though the government intends to contract with only that source. The NAICS code is 333613 (Mechanical Power Transmission Manufacturing), and award will be based on a lowest price technically acceptable evaluation, considering technical acceptability (including the required delivery date), price, and past performance. The solicitation incorporates standard FAR/DFARS provisions and clauses for commercial items. Quotes are to be submitted electronically with F.O.B. destination delivery and government inspection at destination.