Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5898 4B found under Cone Valve by Kracht Gmbh. The National Stock Number assigned to this part is 4820123328581, 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 5898 4B.