Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 620A1251 found under Pin Shift by Bukh A S. The National Stock Number assigned to this part is 1680222581647, and the Federal Supply Class is 1680 Miscellaneous Aircraft Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 620A1251.