Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P18 ITEM4 GASKET found under Gasket by Gleason Reel Corp. The National Stock Number assigned to this part is 5330013693200, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like P18 ITEM4 GASKET.