The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure marine grease under the presolicitation notice titled "91--MARINE GREASE." The requirement includes the supply of 50 gallons of marine grease, identified by NSN 1H-9150-016517256-D7, with delivery to the Portsmouth Naval Shipyard in Kittery, ME. This procurement is critical for maintaining operational readiness and ensuring the effective lubrication of naval equipment. Interested vendors are encouraged to express their interest and capabilities, as the government intends to negotiate with only one source under FAR 6.302-1, with proposals accepted within 45 days of the notice publication. For further inquiries, potential bidders can contact Tiana Hammaker at (717) 605-8399 or via email at TIANA.HAMMAKER@NAVY.MIL.