This is a sole-source opportunity for a Retrofit Chock Kit, with the government intending to contract only with The Entwistle Company. Interested parties may submit quotes to demonstrate their capability, but this is not a competitive solicitation. No specific timelines, budget amounts, or location for performance are mentioned in the description. The procurement uses simplified acquisition procedures under FAR Part 13. Prospective bidders should note the government retains sole discretion on whether to compete the requirement.