Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ETA 4K5Q-1F 1 found under Shielding Bead Electronic by Krystinel Corp. The National Stock Number assigned to this part is 5950013843391, and the Federal Supply Class is 5950 Coils And Transformers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ETA 4K5Q-1F 1.