This is a sole-source requirement for OEM parts for a Whidbey Island class LSD’s main reduction gear and main propulsion diesel engine assemblies, intended for Timken Gears & Services Inc. The contract will be awarded on a Lowest Price Technically Acceptable (LPTA) basis, with evaluation factors including price, technical acceptability, and past performance. Quotes must be submitted by email to specified Navy contacts, with all questions due by 29 June 2026. The location for performance is not specified, and no budget amount is provided. Interested parties may identify their capability to respond, but the government reserves the right to proceed without competition.