Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A30-0018 ITEM19 found under Filter Subassembly by Maxpro Technologies Inc. The National Stock Number assigned to this part is 5915015896951, and the Federal Supply Class is 5915 Filters And Networks. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A30-0018 ITEM19.