Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 10-21025-04 found under Slide Directional C by Vickers Ltd. The National Stock Number assigned to this part is 4810010098943, 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 10-21025-04.