This is a Sources Sought notice for the procurement of a lubricating cooler (NSN 2935-01-324-9087NZ). The government is seeking interest from all business types, including large and small businesses, to determine potential sources. The applicable NAICS code is 335312, with a corresponding size standard of 1,500 employees. Performance of services, if awarded, would be at Tinker AFB, Oklahoma. No specific budget amounts or submission timelines are mentioned in this description.