DLA Aviation is conducting market research for the new manufacture of NSN 1620-01-116-2354, a hose assembly for emergency lock, under NAICS 336413. The required effort includes component procurement, inspection, testing, packaging, and shipping, with potential supply chain management responsibilities. The estimated contract has a 5-year base period, and no other approved sources currently exist; interested parties must submit a Source Approval Request. This sources sought notice is for market research only—no solicitation exists—and responses are voluntary. Based on responses, the government may set aside the requirement for small businesses or pursue full and open competition.