Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 163-1-03-01 found under Plate C0ntact Elect by Boehme H O Inc. The National Stock Number assigned to this part is 6605006506793, 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 163-1-03-01.