Yes it was, weird that I never had any problem with the o-ring, of course I haven't had any problem with them on any of my Trippy Tips. knock on wood
i've been lucky too it seem as the only problem i've ever had and it not really even a problem was the the orings fit too snug. I've never had one snap or melt or anything else and i vape lr 1.5 and it's hot vapor