MIL-HDBK-113C, MILITARY HANDBOOK, GUIDE FOR SELECTION OF LUBRICANTS, FUNCTIONAL FLUIDS, PRESERVATIVES AND SPECIALTY PRODUCTS FOR USE IN GROUND EQUIPMENT SYSTEMS (24 APR 1989)., This handbook establishes design guides for selection of suitable lubricants, power transmission fluids, and corrosion preventatives for use in ground equipment systems, which conform to approved specifications, as required by Mil-STD-838. It includes descriptive material relative to applications, limitations, and federal stock classification, where applicable, and material statements considered to be beneficial to field personnel.