Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KSM4040900 found under Housing Actuator Tr by Aero Quip Corp. The National Stock Number assigned to this part is 2520011666406, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KSM4040900.