Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F15 309 found under Spacer Terminal Blo by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 5940003466902, 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 F15 309.