That's not the right number.
I think you should be looking at a 534254.
In their pn system 34 is FE, the next two numbers 25 are the first digits of x.250 bore size and the 4 is for .040 compressed.
I just talked to Ryan. He said he'll check to make sure they're on the shelf tomorrow morning. He thinks they are. If not I have a set I could get to you.
And I see Ross just responded too.