Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CTJ-3A-02-4021 found under Rack Electronic Jun by Deutsch Engineered. The National Stock Number assigned to this part is 5975013635689, 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 CTJ-3A-02-4021.