Cant find a Dana 44 BOM anywhere HELP!

[camokrawler]

i have a flat top knuckle dana 44 passenger drop the BOM is 603478-5 i think its an international axle its 8 lug and i need to know what its out of so i can order my brake rotors
thanks guys
camokrawler

 

[Smitty]

It will be stamped on the axle tube. I've had to take sandpaper and wet sand the tube to find it on some of them, but it's always been there. Don't know why some of them are stamped so lightly...