This is a Sources Sought notice for the procurement of a Liner, Combustion Chamber (NSN: 2840-01-049-1153OJ, P/N: 6894068) for the T56 platform. The government is seeking interest from all business types, including large and small businesses, to gauge potential sources. Performance of the services will be at Tinker AFB, Oklahoma. The applicable NAICS code is 336412, with a corresponding size standard of 1,500 employees. No specific budget amounts or non-bid timelines are mentioned in the description.