Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 20 16 found under Protector Electrica by O Z Gedney Co. The National Stock Number assigned to this part is 5975015161283, and the Federal Supply Class is 5975 Electrical Hardware And Supplies. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 20 16.