This action is to award a one-time buy contract for the C-5 Rotary Hand Pump (NSN 4320-00-490-7424 / PN RR34120B). Required delivery is 19 ea.; estimated delivery is 180 days ARO. Ship To: SW3119 / F.O.B. Origin. Award is anticipated on or before 30 September 2026. The C-5 Rotary Hand Pump supports various hydraulic components of the C-5 platform. The Government does not own the technical data package for this item. This requirement will be solicted sole source to manufacturer Hydro-Aire Aerospace Corp DBA Lear Romtec (CAGE 51663) pursuant to 10 USC 2304(c)(1); FAR 6.301-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements. All responsible sources may submit a capability statement, proposal or quotation, which shall be considered by the agency.