This is a Sources Sought notice for informational purposes only, not a solicitation or request for proposals. The government is seeking manufacturers for NSN 1560-00-628-0158, a flexible coupling, and requests details on capable sources, including manufacturer location (city and state) and point of contact. No budget amounts are specified, and no funds are available to pay for response preparation. There are no submission timelines or deadlines mentioned, and the government is under no obligation to award a contract. The location for performance of services is not specified.