Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A20000-99-029 found under Axle Straight by Applied Optical Systems Inc. The National Stock Number assigned to this part is 3040016301797, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A20000-99-029.