Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EF3-8 found under Conduit Metal Flexible by Hyspan Precision Products Inc. The National Stock Number assigned to this part is 5975009415035, 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 EF3-8.