the armor one from 50's looks OK, altough it would be nice to see the photograph of the inside. can't say much about the ww2 officerfield cap, as I don't have one for comparison, but the outer material would fit the era(altough it was also used later). I am sur that some experts will express their opinions on that one as well
I like early fifties for the armor visor also although you could match it with any uniform from 1943 on. It is likely to have a date either on the inside or on the back of the buttons. The field cap could be from the 40's or 50's but that particular fabric, at least on a pullover usually seems to come from the early 50's.