Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number VD4051B found under Microcircuit Digital by Wayne Kerr Electronics Inc. The National Stock Number assigned to this part is 5962010032578, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like VD4051B.