I believe -A is an obsoleted spec and I think were now on -G or -H rev, so Wicks prob hasnt bothered changing their bottles. That said, call 'em up.
I think mil aircraft are on Mil-PRF-5606H super clean stuff.
BTW 5606 is a hydraulic fluid, not necessarily "brake fluid" like a DOT 3,4,5 etc.....
Bushby Mustang II (Folding Wings) "Wiring stage. Yea!" IO-360B1E,RSA,C2YR-BF/F7666-2,Superior sump,James; 2xHXr,Mini-x,480,327,240,SL30,EchoUAT; SteamAlt,AS,VSI
Don't be a hater; I'm a cousin with thin wings!