Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A30-0018 ITEM30 found under Valve Ball by Maxpro Technologies Inc. The National Stock Number assigned to this part is 4810015886912, 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 A30-0018 ITEM30.