Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 438-01-016-0143 found under Contactor Magnetic by Delta International Inc. The National Stock Number assigned to this part is 6110010627269, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 438-01-016-0143.