Army has been using silicone brake fluid for some time. If dot 5 is regular brake fluid it will not work. Power, steering, as cited from lube order, is oe (engine oil) 10 weight. "power steering" fluid could damage seals. Military spent a lot of time selecting lubricants and unengineered changes usually do not work. Engine oil has been 15-40 similar to rotella t for some time also.