Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 158-00104-000 found under Plug Anode Retainin by Aqua Chem Inc. The National Stock Number assigned to this part is 5342012118889, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 158-00104-000.