Downloaded from https://www.everyspec.com MIL-STD-1808C w/CHANGE 1 SYSTEM SUB-SYSTEM TITLE DEFINITION 79 ENGINE OIL The subsystem components external to the engine concerned with storing and delivering lubricating oil to and from the engine. Covers all units and components from the lubricating oil engine outlet to the inlet, including the inlet and outlet fittings, tank, radiator, bypass valve, auxiliary oil systems, etc. 00 GENERAL 10 STORAGE The portion of the system used for storage of oil. Includes tanks, filling systems, internal hoppers, baffles, tank sump and drain, etc. Does not include tanks that are an integral part of the engine.
20 DISTRIBUTION The portion of the system used to conduct oil from and to the engine. Includes plumbing, valves, temperature regulator, control systems, etc. 30 INDICATING The portion of the system used to indicate the quantity, temperature, and pressure of the oil. Includes transmitters, indicators, wiring, warning systems, etc. Does not include indication if accomplished as part of an integrated engine instrument system (see System 77, ENGINE INDICATING). 90