Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B11-0143-9 found under Wire Rope Assembly Single Leg by Wintech International Llc. The National Stock Number assigned to this part is 4010016076567, and the Federal Supply Class is 4010 Chain And Wire Rope. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B11-0143-9.