Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1403 found under Bushing Electrical Conduit by Raco A Division Of Hubbell. The National Stock Number assigned to this part is 5975009629882, 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 1403.