Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 22A643-A found under Control Assembly Pu by Link Belt Construction Equipment. The National Stock Number assigned to this part is 2590012257042, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 22A643-A.