MIL-V-5636C, MILITARY SPECIFICATION: VALVE, LUBRICATING OIL COOLER, TEMPERATURE REGULATING WITH SURGE PROTECTION GENERAL SPECIFICATION FOR (27 JAN 1995) [S/S BY MIL-PRF-5636D]., This is a general specification for temperature regulating with surge protection lubricating oil cooler valves, incorporating oil pressure relief bypass, for use on oil coolers using petroleum or synthetic base lubricating oils.