Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 30808982 ITEM 18 found under Plug Spec by Warren Controls Inc. The National Stock Number assigned to this part is 4820016029732, 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 30808982 ITEM 18.