Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number YAV18T4 found under Terminal Lug by Fci. The National Stock Number assigned to this part is 5940001559656, and the Federal Supply Class is 5940 Lugs Terminals And Terminal Strips. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like YAV18T4.