This is a market research sources-sought notice, not an RFP, seeking manufacturers interested in quoting a long-term contract for NSN 2940-01-359-8346, a Filter, Element, Fluid. Currently approved sources are Schroeder Industries LLC (P/N CCZ3), Oshkosh Defense LLC (P/N 2HK21), and BC Technical Center LLC (P/N BCA1214). Interested parties should complete the attached Market Research Questionnaire and submit information to Contract Specialist Kelly Nicklaus at Kelly.nicklaus@dla.mil.