Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ETRAFON 2 10 found under Perphenazine And Am by Schering Corp. The National Stock Number assigned to this part is 6505010246464, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ETRAFON 2 10.