Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 40A2512 found under Sleeve Directional by Funk Mfg Co. The National Stock Number assigned to this part is 4820012679455, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 40A2512.