MIL-PRF-15618 Filter-Separator, Fluid, Pressure, Aviation And Distillate Fuel, Naval ShipboardThis specification covers filter-separator assembly \(see 6.5.2\) for use in shipboard fuel systems. The filter-separator assembly described in this specification, with filter elements qualified to MIL-PRF-32148, is intended for use onboard Naval ships to remove solids and water from fuel systems. These filter-separator assemblies are used with JP-5 fuel for aircraft, Naval Distillate or JP-5 for propulsion and auxiliary power gas turbines, Naval Distillate or JP-5 for diesel engines, and other miscellaneous internal combustion engines.