Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VBE18VB18-117C found under Encoder Trainer Wea by Vernitron Corp. The National Stock Number assigned to this part is 6930009890309, 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 VBE18VB18-117C.