Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3800SJ 2 0IN SEAT SEAL KIT found under Parts Kit Ball Valve by Grinnell Supply Sales Co. The National Stock Number assigned to this part is 4820014322511, 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 3800SJ 2 0IN SEAT SEAL KIT.