Vacuum Pump Oil

I have not been using my vac for awhile and I drained it before I stopped using it. Where I live I can't find high vacuum pump oil to save my life and shipping is a arm and a leg to my location. So before I bite the bullet and pay the shipping I was wondering if anyone uses anything but the high vacuum pump oil?

if you can get to an HVAC heating and cooling supply store like fergensons i cant spell it but they have oil they gota hvac heating and cooling guys use that shit all the time its like 7 bucks but you should be draining it every so often it can slow your pump up if you dont..

This pump only has a few hours on it, I haven't had to change the oil yet. Where I live there isn't any HVAC going on at all. I'm really just looking for an alternative because I do like to change the oil out frequently.

wow im not shure than?? i hate to say it but online is all i can think of unless someone else knows on hear??? good luck.. im sorry i couldnt help..