vac barb info needed for auto lock hubs

[hotairgypsy]

I just discovered my passenger side vac line is gone which goes to the hub. the vac line easy to repair but the barb it attaches to is rusted and bad. where do i get this replacement barb. i do not know the size i need to replace. any info greaTly appreciated

thanks

frank

[Rstar]

I had the same issue, I used a connecter made for brakes. I got it fron O'Reilly's in the fitting section. I think it was a 10-1 thread but I could b wrong. Cost $3 to fix.