Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10RK39 found under Parts Kit Electro Pneumatic Actu by Flowserve Corporation. The National Stock Number assigned to this part is 4810015754234, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 10RK39.