Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4B40-0PC39 found under Box Stuffing by Concorde Yacht Inc. The National Stock Number assigned to this part is 2040003933716, and the Federal Supply Class is 2040 Marine Hardware And Hull Items. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4B40-0PC39.