This is a pre-solicitation notice for the repair and spare of 51 specific items, which the government intends to award as a sole-source contract to Hamilton Sundstrand Corporation as the Original Equipment Manufacturer. However, all responsible sources may submit a capability statement, proposal, or quotation for government consideration. Eligible contractors must email a detailed submission to jacob.tarlini@navy.mil, including specific company and technical capacity information. The government requires source approval prior to contract award, and unapproved sources must submit extensive technical data with their proposal. All proposals received by the government within 45 days after the publication date of this synopsis will be considered.