MIL-DTL-2845 Propulsion Systems, Boat And Ship; Main Shafting, Propellers, Bearings, Gauges, Special Tools, And Associated Repair Parts; Preservation, Packaging, Packing And Storage OfThis specification covers the cleaning, drying, preservation, packing, marking, and storage of main propulsion shafting, line shaft bearings, stern tube and strut bearings, boat and ship propellers, propeller devices including controllable pitch propellers, shafting, and accessories thereto. It also covers repair parts, tools, and independently mounted main propulsion thrust bearings.