Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KC20579-01 found under Modification Kit Ai by Messier Bugatti Dowty. The National Stock Number assigned to this part is 1630145425360, and the Federal Supply Class is 1630 Aircraft Wheel And Brake Systems. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KC20579-01.