Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 718-0083 found under Plug Rotary Valve by Hollingsworth John R Co. The National Stock Number assigned to this part is 4820001159265, 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 718-0083.