Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A20000-99-028 found under Lever Manual Contro by Applied Optical Systems Inc. The National Stock Number assigned to this part is 5340016301932, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A20000-99-028.