I really don'tremember the post your talking about, but here are a few links giving dimensions, etc for the GAZ fittings that might help you identify what you have a little better. If hydraulic shops in your area are like around here, I seriously doubt any but the largest shops are gonna stock any GAZ fittings, so you might need to figure out exactly what size, etc you need, and then call and get someone to order the fittings.
That said if your in the NC area there is a place in Charlotte called Custom Hydraulics that keeps one of the widest selections of both standard and metric fittings in stock I know of. Give their site a once over, for the number, and call them with your needs. I guarantee if they don't have it they can get it for you. Good luck.